Below are the results from a survey about how many books were read this summer. To graph the information into a frequency table, which interval below would be the most appropriate?

A. 2
B. 4
C. 10
D. 20

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