Kiley and her parents traveled to visit her grandmother. they drove 24.3 miles from their house to the airport in 1/2 hour. find the ratio of miles to hours and the unit rate of kiley’s initial car ride to the airport. asap

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