You must take from stock 64 lbs of material to make 20 brushes if the order is changed to 25 brushes how much more material will need to pull from stock

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

Write the rational number in lowest terms 99/-15

Given ab and cb are tangents of p, and m =10°. what is the measure of abp?