# Are You The One Math

The resulting pattern of polygons is called the net of that rectangular prism. Total Votes: 6 You may not vote on this poll. If you like this Site about Solving Math Problems, please let Google know by clicking the +1 button. Khan Academy is a nonprofit with the mission of providing a free, world-class education for anyone, anywhere. Sections of this page. It isn’t even one of how to do with less climate control, or how to make climate control more efficient; you’ve already done the math on those and figured out that we don’t have very many factors of anything to gain from either approach. Sometimes it lasts an entire year. When you think you've figured it out, click on that step and the computer will tell you whether you are correct or not, and will give an additional explanation of why that step is or isn't valid. To make a four. A line is one-dimensional. Basically, the better teacher you are, the less the book matters — and vice versa. Dig deeper into specific steps Our solver does what a calculator won’t: breaking down key steps into smaller sub-steps to show you every part of the solution. Are You the One?, sometimes abbreviated as AYTO?, is an American reality television series on MTV, in which young singles try to find love. One of the most interesting ways to learn more about Pi is to do pi experiments yourself. Genesis 6:19-20 ESV / 47 helpful votes Helpful Not Helpful. To study math, start by doing extra problems after you do your homework, which you can find online or in the back of your textbook. Because our NAD Math Standards focus on greater depth and less breadth, these pages will serve to help us strengthen our supporting knowledge of the skills being taught. Recently in our WeAreTeachers HELPLINE group on Facebook, the conversation turned to the best math websites for teaching and learning math. Here's how you can figure out which one applies more to you: Take only the math sections of one practice test. How can you effectively prepare for the GRE test at home when you have competing priorities—school, work, family, hobbies—all demanding your time (and which are likely more tempting to indulge in)?. Take a moment, if. Center Number 9: Popcorn Roll and Play One More and One Less. "The 'Muse' is not an artistic mystery, but a mathematical equation. 2142857143 stone. Choosing which math classes to study can be one of the most challenging parts of planning your high school schedule. Say you have two or more cards that you carry a balance on and you have a set amount of cash each month you can use to pay down all your cards. com, an online homeschool program for elementary and middle school students. Math can be a difficult subject, but it is something that everyone is capable of mastering. By moving only one matchstick, you can fix the equation so that it is correct. Instead of trying to overcome it, you should find a way around it. You'll just have to do your homework everyday! Don't think twice, it's alright. At one extreme is the "day job," where you work regular hours at one job to make money, and work on what you love in your spare time. Solving any one of the Millenium Problems is a guaranteed way to earn $1 million, but it's also probably the hardest possible option for earning the money. The math training has helped my guitar playing tremendously and I was pretty talented before hand. So who else is still together — and who may be the next Ethan and Amber? The sixth season of AYTO wrapped up this past December, and there was plenty of drama. Creativity is a measure of originality. Depends on your school; you’d have to ask them. Algebra II, at the beginning of the year, is a review so I think no having a year in between seems to help. To study math, start by doing extra problems after you do your homework, which you can find online or in the back of your textbook. If you're still looking for a good gift, I recommend Robert's two books. You're a hungry hungry fish, looking to grow and to survive. The latest Tweets from 🎙The Math of You🍸 (@themathofyou). Answer: There is more than one correct way! Any pair of these words can be used, as long as your words are used sensibly. Son: Exactly! Statisticans Hunting Two statisticians go bird hunting. You can easily adapt activities like these for a wide range of grade levels. Terrence Howard has been one of the most unique, sometimes bizarre actors and entertainers we’ve ever seen. But say you guess wrong again. All three are asked the same question: "What is one third plus two thirds?" The pure mathematician: "It's one. Then the student asks, "Do you have a pill for math?" The pharmacist says "Wait just a moment", and goes back into the storeroom and brings back a whopper of a pill and plunks it on the counter. The math in statistics is actually quite simple - but statistics is a conceptual course that requires you to understand "why" more than "how". The absolute value of 5 is 5. The second digit is the ten thousands' place. Educators won't do your assignment for you. If you don't do well on your math placement test, that means you don't have the proper foundation for higher level math classes YET. You select a box that is almost surely a joke, Monty shows you 498 worthless boxes, and then you should switch to get the prize. Carter started her 90-minute math session one morning this month with a lesson on three-digit subtraction. The match quest is about to begin! PEOPLE can exclusively reveal that Are You the One?is returning to MTV for a seventh season, called Season of Fate, starting on Aug. One-to-one is often written 1-1. Set theory is seen as the foundation from which virtually all of mathematics can be derived. It's the moment of truth for Are You The One's Anthony and Geles. His mind seemed equally adapted to music and math, a perfect harmony — though one did not necessarily influence the other. We type it like this 1/2. This section will go through telling time on a clock—using minutes and hours. It is difficult to "wing" higher-level thinking questions, which are often confused with open-ended questions (e. Adding a simple “word invitation” to existing math instruction goes a long way!. If you are typing text normally, you are said to be in text mode, but while you are typing within one of those mathematical environments, you are said to be in math mode, that has some differences compared to the text mode:. Are You the One? airs on MTV. Equivalently, f is injective if, for any ∈, the preimage − contains at most one element. History vs Math Once a math teacher and a history teacher had a fight wheather maths is better or history History teacher: I will call all of Stalins army and kill you. Watch episodes, see extras, and meet the cast at MTV. Whether you're a math major or one of those haven't-studied-math-since-high-school types, the GRE is going to test you on a myriad of math topics, from shapes and symbols to tables and coordinate systems. With this program, you can work together at the same time. I always thought and believed that zero is neither positive nor negative. Are You the One? airs on MTV. On the railroad track. Neatness is a number that represents organization and cleanliness. Grace on July 19, 2011 12:31 pm. Click the +, -, x, or to switch between the math flash cards for math practice in each of the four basic operations. At the other extreme you work at something till you make enough not to have to work for money again. Even if you place into your desired mathematics course with your SAT or ACT scores, all students are able to take the ALEKS Placement Assessment and use the learning modules. K12 offers hundreds of courses to supplement your child’s pre-K through high school education or use as part of a homeschool curriculum. The reason why there are so few formulas necessary for SAT Math is that the SAT is meant to test your reasoning skills more than your ability to memorize (though in some cases, of course, memorization is necessary). If students know you are regularly reading their math journals and you care about what they wrote, you won't have to assign a grade to get them to give their full effort. First you did 400 "real" math problems and then you were supposed to figure out how those problems related to two trains, one leaving Chicago at 4pm and one leaving New York at 2am. no one would ever be bored in math class. Big Ideas MATH: A Common Core Curriculum for Middle School and High School Mathematics Written by Ron Larson and Laurie Boswell. If you like this Site about Solving Math Problems, please let Google know by clicking the +1 button. Students cut off the daily application problem and then EngageNY and Eureka Math Grade 2 Application Problems for ALL MODULES. It’s either ‘Johnny can’t do math’ or ‘here are 186 characteristics on seven dimensions of proficiency’ and the teacher says ‘I can’t look at all that. All other scales on a slide rule are referenced to the C and D scales. If you have a bad roll of the dice near the end of the game, you may enter a zero in the Yahtzee box or one of the other difficult combinations. Click the math teacher's apple to return to the math flash cards home page. Understanding percentages and exponents is necessary if you want to have even the beginning of a clue about personal finance. Algebra and word problems are used all the time by real people in the real world. How can you effectively prepare for the GRE test at home when you have competing priorities—school, work, family, hobbies—all demanding your time (and which are likely more tempting to indulge in)?. "I hope you can enlighten me on this one. 320987 × 10 81 and the current estimates are between 10 78 to 10 82 atoms in the observable Universe. Last week's puzzle is now at Robert Abbott's multistate maze site. I always love Math games and most of the time, I end up teaching my daughter thru games and she just loves it. Search for Tasks. For example, one study with three groups of 3- to 5-year-olds asked them to retrieve an object with short sticks and connectors. To find a number of the sequence, you add the two previous numbers. Throw in a title and that’s 20+ words. "So, all you want for Christmas is an X-Box One?" "You'd be happy if the only thing you got for Christmas was an X-Box One. Math teaches one to work with problems that are totally outside ones normal daily activities and experiences. Nicholas Carlson. 0823 right answers per. Whether you're just getting started with Eureka Math or interested in learning more about the curriculum resources available, a Resource Overview Session is the place to start. Their entrance tests support this bias, so the more math you know the better you will do on their exams. No need to even type your math problem. By moving only one matchstick, you can fix the equation so that it is correct. mathematics. This page focuses on worksheets related to counting, reading, and writing numbers. If do math for me you need to improve your paper or receive a high-quality proofreading service or solve any of the similar problems, don’t hesitate to turn to us for help. I loved the puzzles of math. How to make math fun for kids ages 8-12. Math Games offers online games and printable worksheets to make learning math fun. If there are four people, you each take one of the four slices. We like to give them at the beginning of every class. Here's the math. You understand intuitively, or maybe you were told, that almost 30% will drop out. Another interesting type is an invertible function, or a function that has an inverse. Visit us again: we intend to place here new puzzles and the solutions. The green-eyed beauty couldn't stay. As a result, the variable can at times change accordingly. One & Two Digit No Regrouping Subtraction Worksheets Vertical Format. Focus on the principles. Improve your math knowledge with free questions in "Counting review - up to 10" and thousands of other math skills. For example, one study with three groups of 3- to 5-year-olds asked them to retrieve an object with short sticks and connectors. Everyday Mathematics Research and Results. One learns math by building on the math that one has previously learned. All men is not analyzable into all and men § 73. Adding a simple “word invitation” to existing math instruction goes a long way!. 38 GRE Math Formulas You Must Know. We tend to aim for three questions that should take a maximum of 10 minutes. The player was. Students rarely. Splash Math is an award winning math learning program used by more than 30 Million kids for fun math practice. I’m going to tell you how to read each of these equations in Japanese: Here are the four basic mathematical operations 加減乗除, kagenjojo or かげんじょうじょう, in Japanese. Assigning the four fours problem in a math class is at this point like asking student to predict the end of the vietnam war in current events class — it might have been a great question in 1970 but it doesn’t test what you want it to anymore. To become an "Actuary", you must become an Associate, and ultimately a Fellow, of one of the professional societies by passing a series of examinations administered by them. Here is a famous one called Buffon's Needle. Record your measurement on the next worksheet. Statistics is an entirely different bird, altogether, and the one that you should absolutely take if you have thoughts of majoring in any science. It tends to be that people are good at math and science or art and music, as if the two elements could not be placed together logically. Of course your mouth has a temperature even when you don't measure it, and it has one at every instant of time and there are an infinite number of such instants. If you are only given one endpoint and a midpoint, you know what the middle of the line segment is. In November 2012, Bill McKibben and 350. All rights. Jul 27, 2014 · Students learn not math but, in the words of one math educator, answer-getting. Or they encourage students to come up with different strategies for solving 7 + 8. For the original counting to 20 game, 4 is the first winning number and so it is better to go second so that you can be the one to say that number. If you can't solve it, Taniguchi has an fantastic sliding block puzzle solver at his website, free. One category includes "making mathematical connections. , "How did you solve #6?") that are easier to construct in the moment. Define math. Sometimes you will have a problem where one rate is given in miles per hour and another rate is feet per second, or they will give you a rate in miles per hour and ask you about something in minutes. Everyday Mathematics Research and Results. 1 day ago · More than half of Missouri students still failing in math and English; Ritenour bright spot in student growth The district’s students are about one-third Hispanic, one-third African American. In November 2012, Bill McKibben and 350. Plan on three weeks if your child is new to the multiplication facts. Best Online Interactive Math Games for Elementary School. The patient weighs an estimated 175 pounds. Math is the one skill you need to master in your life, even if it is the only one, you will at least be. Manipulatives are key. I loved the puzzles of math. If you have a question not covered, you can ask Dr. I think being good at maths means that you can calculate fast, know what does the question mean and you have to enjoy math. You can enter and read a number typically to two or three decimal digits only. The mathematics of cooking often goes unnoticed, but in reality, there is a large quantity of math skills involved in cooking and baking. Whether you're a math major or one of those haven't-studied-math-since-high-school types, the GRE is going to test you on a myriad of math topics, from shapes and symbols to tables and coordinate systems. If you are school management and you need to conduct the iReady tests for your device then you will need to have a look at each student profile separately. A gig in a call center might not strike one as a likely launch pad for a successful tech career, but Jarod Greene saw potential. Of all of the. When one collects data one often does not know the exact relationship and interdependence between the various quantities that are being measured. ) you can see the semantic roominess of the original math in terms like. Even one of the lead writers of the math standards, William McCallum, has stated that CC math standards do not dictate a particular pedagogy. The Math Behind Your Company Valuation What you need to know to increase the value of your business for a financial buyer By John Warrillow Founder, The Value Builder System @ JohnWarrillow. It's the moment of truth for Are You The One's Anthony and Geles. We say “one fourth. The rules of differentiation are cumulative, in the sense that the more parts a function has, the more rules that have to be applied. Big credit to you all !!Shiju. com, a math practice program for schools and individual families. To find a number of the sequence, you add the two previous numbers. The new math of the sixties was, well, like many other movements of the sixties, disruptive, despised, and moderately beneficial, and is now still around, but incognito. See how many tries it takes you to correctly identify the fallacious step!. One group was allowed to play with the sticks and connecting devices, one group was taught how the sticks could be connected, and one group was asked to tackle the task without prior play or learning. Every, any, a and some each denote one object, but an ambiguous one § 76. The absolute value of 5 is 5. What strategy guarantees the fewest number of rounds to get every match correct in the worst case? 2. There are a lot of tips in this document and there is a pretty good chance that you will not agree with all of them or find that you can’t do all of them due to. The Do the Math Tour was a massive success, with sold out shows in every corner of the country. One of the biggest benefits of teaching math basics with number bonds is that it helps children think algebraically. If you cannot solve them, take it easy. maybe a different one, which you’ve not discovered yet, is better. A possible result of a probability experiment is called an outcome. If you’re going to teach seventh grade math, he said, “you. com, a math practice program for schools and individual families. Continue until you find a number that is divisible by both numbers. "You can fix one problem, but you're stuck with the other one. Math is based on logic and rules that you can study and apply - there isn't any special skill involved. Natasha Glydon. and you have a one in ten chance of getting a legendary skin. In this section, we've aggregated 38 of the most important GRE math formulas you'll need for tackling Quant head-on. Mathematics. Learn more. The idea is to use math to determine the type of combinations that occur more frequently in the lottery. So for the second year, people who got A and A* moved into the higher level math, where we did Pure Mathematics, or A/O math (also from Edexcel and. Do Now Math Worksheets By Grade Level. One of the most interesting ways to learn more about Pi is to do pi experiments yourself. If the digit can only be placed in one cell in the neighborhood, you should fill that cell in. 23, 2011; ON my first date with Mark, he asked how long it had been since my last relationship. Be sure to check out our new games for other subjects. In some cases (such as when all values appear the same number of times) the mode is not useful. The best thing to do is use the VA Combined Ratings Table, which does the math for you. The strict mathematical definition goes something like this: For every real number n, there exists its opposite, denoted – n, such that the sum of n and – n is zero, or. The two-job route has several variants depending on how long you work for money at a time. Find out if you are a math magician. Another learning from the book Outliers: The Story of success — You can read Part 1 and Part 2. Loading Unsubscribe from Igniter Media? Jordan Peterson: What Kind of Job Fits You? - Duration: 9:21. If you ate 5 out of the 10 cookies, you ate one half of them. When you know the best type of combination to play in a lotto 6/49 game, then you use that knowledge as guidance for selecting numbers. The absolute value of 5 is 5. In general, the more pizza we have the better, so get ready for some good news. He also knows everything, but lies. If students know you are regularly reading their math journals and you care about what they wrote, you won't have to assign a grade to get them to give their full effort. Used by over 7,000,000 students, IXL provides personalized learning in more than 8,000 topics, covering math, language arts, science, social studies, and Spanish. Absolute Value. Usually, once you get the math equation, you're fine; the actual math involved is often fairly simple. The mathematics of cooking often goes unnoticed, but in reality, there is a large quantity of math skills involved in cooking and baking. Here’s one reply: Imagine you’re an artist, and. The patient weighs an estimated 175 pounds. I do math in the afternoon. It’s worse if I look around, because I’d see everybody else working, and know that I’m the only one who can. Now, if you add 1 + 2, you get 3. English Standard Version. It’s going to be all right. Play your favorite Virtual Worlds right here on PrimaryGames. 8/5 stars on 5. Consciously choosing a core heart feeling over a negative one means instead of the drain and damage stress causes to our bodies’ systems, we are renewed mentally, physically and emotionally. ) (Here is another ruler option if you have trouble printing it. Do you need to know math for doing great science? By Ashutosh Jogalekar but at least on one level it makes sense. Here's how you can figure out which one applies more to you: Take only the math sections of one practice test. Each game goes through important information for a certain subject matter for grades Kindergarten through 6th grade. math synonyms, math pronunciation, math translation, English dictionary definition of math. You have 11 coins, one of which is slightly heavier or lighter. We solved the matches for season four of the MTV reality dating show Are You the One? using math. It's perfect for teachers with one iPad or for children working in small groups, as they can now calculate how much time has passed or learn how to read a clock with these virtual tools. Understanding percentages and exponents is necessary if you want to have even the beginning of a clue about personal finance. Absolute Value. To solve for x this time, you need to (1) multiply both sides of the equation by 4 and 3 to cancel out the denominator in line 2, (2) use the distributive law, (3) by adding and subtracting, move the x terms to one side, and the non-x terms to the other side in line 5, (4) use the associative law to simplify to get line 7, and. So exactly how do origami and math relate to each other? The connection with geometry is clear and yet multifaceted; a folded model is both a piece of art and a geometric figure. Estimation is one of the most powerful math tools. Similar Triangles. Thus, a classic math joke is to say that topologists can't tell their. Does Music Give You Math Skills? It's a Tricky Equation. Task (3) is somewhat. Thus getting a hand with all cards in one suit is 4 times more likely than getting one with all diamond, but is still a rare event (with about a 0. First grade math Here is a list of all of the math skills students learn in first grade! These skills are organized into categories, and you can move your mouse over any skill name to preview the skill. You repeat the process for each additional disability rating. "While they. In general, the more pizza we have the better, so get ready for some good news. One version of the problem on Facebook with 20,000 shares: "The Best Mental Math Tricks" teaches how you can look like a math genius by solving problems in your head (rated 4. Math has something I've always been intrigued with. Venture Capital Funds - How the Math Works Why the Size of Venture Capital Funds Matters to Angels and Entrepreneurs. , they both go to infinity simultaneously; you can't figure that one goes to infinity and then the other goes to infinity. The first four are pretty straightforward and the computer will do all the work, but the last one (fill in the blank) does require you to write out the sentences if you want that type. 7 the two recommendations which shaped the design of the ‘i do – we do – you do’ math problem solving intervention were recommendations #3 and #4 (see table on the previous page). The green-eyed beauty couldn't stay. The math can be a bit confusing if you try to do it manually. The rest of this mini-presentation will concentrate on logarithms to the base 10 (or logs). Walk around the room to monitor student responses. The flipping property is called the Invertendo: $$\frac{a}{b} = \frac{c}{d} \iff \frac{b}{a} = \frac{d}{c} $$ There are many ways you can realize it and I leave it as an exercise to you to try. The salary for each subsequent day will be double the previous day's, until the one month term is over. Which problem would you like to work on?. So, no matter what value of \(x\) you put into the equation, there is only one possible value of \(y\) when we evaluate the equation at that value of \(x\). Say a person owes $10,000 on one card and $5,000. Unless you want to be a math teacher or an actuary, I implore you not to listen to anyone who tells you that you can do a million things with a math degree and that you should major in anything you want and the money will follow. Have one kid trace the other on an oversize sheet of butcher paper. Creativity is a measure of originality. So, to compute the digital root of 213487 I notice that the digits 2, 3, and 4 add up to 9 as do the digits 1 and 8. I mean no disrespect to the other people who have answered, but this question assumes around a 10th grade mathematics background. Length: If you use the word length, it should certainly be for the longest sides of the rectangle. View the course outlines to determine which course is best suited for your program of study. In order to work with minutes and hours, you must remember that there are 60 seconds in a minute, and 60 minutes in an hour. That makes me crazy. 618? So, do any songs actually get math right? Even gifted musicians, when using the math metaphor, either stick to mere counting (Mos Def – “Mathematics”) or the basic one and one is two addition (Brad Paisley – “You Do The Math”). Can You Solve It? Same goes for the coconut; while the third equation has one coconut, the last one has only one-half of a. isclose (a, b, *, rel_tol=1e-09, abs_tol=0. They will be further discussed below. 50 in return. Once you have one, you can get all the others by turning or flipping the one you found. The player was. Perhaps the Math-Weenie-No-Brainer technique would be more appropriate. The Probability of You Existing at All is Almost NON-Existent. 2 Draw (freehand, with ruler and protractor, and with technology) geometric shapes with given conditions. I was alerted to a fascinating article by Ali Binazir who sets forth mathematically the odds of you or I existing, just as we are genetically. One thing to BE VERY CAREFUL ABOUT: keep your "units" straight, and preferably with their numbers in your work as you go. The gift are those ideas you think of as you drift to sleep. Set theory took a central role, forcing students. When you know the best type of combination to play in a lotto 6/49 game, then you use that knowledge as guidance for selecting numbers. That just means one of the four. It tends to be that people are good at math and science or art and music, as if the two elements could not be placed together logically. No Prep PDF Worksheets and everything a teacher needs to help kids learn. One of them is the Devil. & Paige (confirmed) Dillan & Coleysia (confirmed). This is exactly what you'll see at the beginning of both math sections (the calculator and no calculator section). of 5 and 8 is 40 since the only common factor is one, just multiply the numbers: 5*8 = 40. mathematics. In part one, approximately 11% of the students saw the 4 sides and picked shape A. Press alt + / to open this. Play your favorite Virtual Worlds right here on PrimaryGames. Now you know all the facts you need to know to add 45238972349+234328723592!. 7/5 stars on 8 reviews) Multiply Numbers By Drawing Lines This book is a reference guide for my video that has over 1 million views on a geometric method to multiply numbers. We write 1/4. Are You the One? airs on MTV. It means that you are good at addition, subtraction, multiplication and division. The best teaching ideas for math, reading, science, writing, art, spelling, assessment, bulletin boards, character ed, class meetings, classroom management, first day. Your book, Mathematics Education For a New Era, argues that video games are the best way to teach math to middle school kids. In some cases (such as when all values appear the same number of times) the mode is not useful. The first four are pretty straightforward and the computer will do all the work, but the last one (fill in the blank) does require you to write out the sentences if you want that type. The math in statistics is actually quite simple - but statistics is a conceptual course that requires you to understand "why" more than "how". inputs a number or symbolic expression and tells you whether or not it’s a member of one of these sets. *As of week 7 the housemates now have enough information to solve the puzzle even without the hints that fans have received. Eureka Math has totally changed the caliber of my math instruction. Can you figure out which one it is? What fits? What doesn't fit? If you see a line of people do you think you could discover a pattern? Figure out who should come next in a sequence of People Patterns. You Are NOT Bad at Math. The Math They Didn't Teach You The math computer scientists use regularly, in real life, has very little overlap with the list above. Next we need to talk about evaluating functions. I start each day off with a math warm up from the Start A Math Fight resources. So exactly how do origami and math relate to each other? The connection with geometry is clear and yet multifaceted; a folded model is both a piece of art and a geometric figure. Instead of trying to convey, say, the essence of what it means to subtract fractions, teachers tell students to draw. Are You Smarter than a 5th Grader? is a game show franchise, co-created and produced by Mark Burnett, in which adult contestants answer questions as if they came from an elementary grade school quiz. Our percentage calculator is perfect for anyone that wants to save time in calculating many different percentages as well as for anyone that is not good at math! To even save you more time we made sure that the calculations are automatically calculated as you type in the input boxes. That’s how you write it in math language. The resulting pattern of polygons is called the net of that rectangular prism. Note: If a +1 button is dark blue, you have already +1'd it. This Magoosh One Month GRE Study Plan is designed for those of you who are wondering how to study for the GRE in a short period of time on your own. To be able to add, both objects must be of same type, and must be real numbers. What strategy gives the fewest number of rounds to get every match correct on average? 3. One of the most interesting ways to learn more about Pi is to do pi experiments yourself. To evaluate a function means to pick different values for the input (often named x) in order to find the output (often named y). Areas of Overlap on Math Level 1 and Math Level 2. IXL is the world's most popular subscription-based learning site for K–12. Incorporate a scoring system. Splash Math is an award winning math learning program used by more than 30 Million kids for fun math practice. Math is in every kitchen, on every recipe card, and at each holiday gathering. But they're not the only ones unilaterally shutting down their operations, users, dissent, and what have you. They both give each other a high-five and say "Got it!". The pattern you suggest below will be fine with us. It should review skills that students have learned in the past.