The Water flow shower head is 3.5 gallons per minute. At this this rate it would cost $1.90 for the water used for a 10-minute shower. What is the cost rounded to the nearest cent , of 1gallon of water

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