A roller coaster has a height of 325 feet before its first hill, and the bottom of the hill is 30 feet off the ground. What is the height of the drop? The height of the drop is __ feet.

What is the remainder when 2872 is divided by 76? a) 51 b) 57 c) 60 d) 63

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

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.