Oscar is sealing his boat with a special type of sealent. he needs to mix the sealant with water at a ratio of 3: 2. how many gallons of water will he need if he planes to use 9 gallons of sealant?

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