How many $20.00 checks would it take to pay an invoice for $280.00?
a. 12
b. 14
c. 13
d. 11

7(x - 2) = 3(x + 4) solve the following equation. then enter your answer in the space provided using mixed number format.

The figures below are made out of circles, semicircles, quarter circles, and a square. find the area and the perimeter of each figure and give your answers as a completely simplified exact value in terms of π (no approximations).

What is the similarity ratio of a cube with volume 729m^3 to a cube with volume 3375 m^3