Ronna supplies costumes to a number of theater companies. She recently provided 20 different hats, including 6 sombreros. What is the experimental probability that the next hat requested from Ronna's inventory will be a sombrero?

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