How do you write 3 and 1 quarter as improper?

Can a unit fraction be larger than 1? In a tackle football game how many downs is each team allowed? How do you work out 25 percent of 300? What is another name for Roman numeral XLL? How can you determine whether a sample is representative of a population? What does XVL represent in Roman numerals? Could I get an example of the formula for finding the area of the equilateral triangle? What is 132 divided by 20? Which is greater 3.25 or 35 percent? 0.3 divided by 0.018? What is the LCM of 210 and 216? Is the area of two parallelograms equal? How many days are in 17 years? Square the input and then multiply it by 16 Add this product to the initial velocity multiplied by the input? If you add a negative and a negative what do you get? Why are the measures of central tendencies so important in statistics? Why do you use brackets in maths? What is clockwise and anticlockwise circular permutation and why sometimes it effects the number of permutations and sometimes not? What two consecutive numbers make up the square root of 300? How much are dimes from 1936?