Working as a waiter, micheal earns $6.50 per hour plus tips. last night he received $38.50 in tips. and earned a total of $74.25. how many hours did he work?

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?

Another type of subtraction equation is 16-b=7. explain how you would sole this equation then solve it.

Askateboard ramp is in the shape of a right triangle what is the height of the ramp