Please help me look at the picture down below please reward=brainliest and 15 points

Adecorative window is made up of a rectangle with semicircles at either end. the ratio of ad to ab is 3: 2 and ab is 30 inches. what is the ratio of the area of the rectangle to the combined area of the semicircles? possible answers: a. 2: 3 b. 3: 2 c. 6: π d. 9: π e. 30: π

Can someone explain to me how to do

If f(x) = -5x + 1 and g(x) = x3, what is (gºf)(0)? enter the correct answer