A car repair shop offers its customers free coffee while they wait. By the end of the day the coffee urn which had started out with 3 1/4 gallons of coffee was left with 1 1/6 gallons How many gallons of coffee had been dispensed

Anyone know? will mark brainliest if correct!

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

Kevin's bank offered him a 4.5% interest rate for his mortgage. if he purchases 3 points, what will be his new rate?