John has a total of 13 coins in his pocket. Of the 13 coins is $2.50. How many quarters does John have in his pocket?

The period of a pendulum is the time the pendulum takes to swing back and forth one full-time. The function l =.81 t^2 relates the length l in feet of a pendulum to the time t in seconds that it takes to swing back and forth.

Find the rate in the following problem. Eighty-four is what percent of 212? 3.962% 39.62% 2.52% 25.2%

An ol television was sold for $30 at a loss of20%. find cost in price with explanation

Emile paid $3.96 for 4 songs.

The lengths of the sides of a square are multiplied by 2.5. how is the ratio of the areas related to the ratio of the sides?

Danny has boxes colored either red or blue. in each blue box there is a fixed number of blueberries. in each red box there is a fixed number of strawberries.

If f (x) = 4-7x then f (x+h) - f (x-h) = ?

Cassidy places 40 stamps on each of 8 album pages how many stamps does she place in all

Marcus is 20 years older than his youngest sister Cindy of some of their years is 66 how old is Cindy Marcus is 20 years older than his youngest sister Cindy the sum of their years is 66 how old is Sandy

F (x) = 3x + 2 what is f (5) A 21 B 10 C 17 D 15