The ratio of boys to girls at the dance was 9 to 5. How many girls were at the dance if there were 45 boys at the dance?

Solve the system of equations. y= 2x y= x^2 - 15

Jermaine has t subway tokens. karen has 4 more subway tokens than jermaine. raul has 5 fewer subway tokens than jermaine. which expression represents the ratio of karen's tokens to raul's tokens

The first floor of marcus’ house is 1,440 square feet. he will cover 1,033 square feet with wood and the rest with tile. a box of tiles will cover 11 square feet. how many boxes of tile does marcus need to buy to cover the floor?