During the month of february, fabulous feet shoe mart sold 44 pairs of red loafers. after an ad campaign to boost sales, they sold 55 pairs in march. find the percent of increase in sales.?

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