A faucet leaks 9 oz of water per minute. ​a) How many gallons of water are wasted in a​ year? (A gallon contains 128​ oz.) ​b) If water costs ​$9.37per 1000​ gal, how much additional money is being spent on the water​ bill?

Four airplanes carrying a total of 400 passengersarrive at the detroit airport. the airplanes carry, respectively,50, 80, 110, and 160 passengers.a) one of the 400 passengers is selected uniformly at random.let x denote the number of passengers that were on theairplane carrying the randomly selected passenger. find var(x)for x as given in the problemb) one of the 4 airplane drivers is also selected uniformly atrandom. let y denote the number of passengers on the chosen driver’s airplane. find var(y) for y as given in the problem

Given the equation f(x)=a(b)x where the initial value is 40 and the growth rate is 20% what is f(4)

From the beginning of the day the temperature rose 15 degrees so that by 4 pm it was 87 degrees. what was the temperature at the start of the day