20ax^2+25ax+15a=5a ( ) complete the statement

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 volume of a cone with a height of 6 cm in the radius of 2 cm

Mackenzie needs to determine whether the rectangles are proportional. which process could she use? check all that apply.