Check all equations that are equivalent.

a = 180 (n-2)

n = (a/180) + 1

n = (a/180) + 2

n = (a+360) / 180

125 pounds decreased by 80%?

Ariel is filling a giant beach ball with air. The radius of the beach ball is 30cm. What is the volume of air that the beach ball will hold?

John. wants to receive a 96% average on 4 math tests. So far he has taken 3 tests. His grades are 94%, 98%, and 98%. Write an equation in terms of to find out what John must score on his fourth test in order to receive a 96% average.

The difference of 6 times 4 and double 3

If i walked 1/2 mile in 15minutes and Jody walked 2/3 miles 20minutes who walks faster

Leila went to a basketball games. The game started at 2:38 pm and it was 3 hour 40 minutes long. When did the game end

A certain parallelogram has two pairs of parallel sides. based on this which is not correct

The diameter of a circle is 18 kilometers. What is the length of a 120° arc?

Find the greatest common factor of 16 and 9.

T. j. gave 16 books to the library book sale. this was 1/3 of his books. how many books did t. j. have?