The flower bed consists of a 30 foot by 20 foot rectangle and an attached 32 foot high triangle. Step 2 of 2 : If one pound of flower seed will cover 15 square feet, how many pounds will be necessary to cover the entire flower bed?

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