Alexis becca and cindy do volunteer work at adopt a pet animal shelter. they worked a total of 285 hours at the shelter last summer. alexis work 15 hours less then back up cindy worked for more than twice as many hours as back up as back up

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