Question 18A decorative window is made up of a rectangle with semicircles on either end. The ratio of $AD$ to $AB$ is $3:2,$ and $AB=30$ inches. What is the ratio of the area of the rectangle to the combined areas of the semicircles? $ \ 2:3 $$ \ 3:2 $$ \ 6:\pi $$ \ 9:\pi $$ \ 30 :\pi $
