(18 times 2) times 5= 18 times (2 times

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

Linda loans her friend $250 with a 5% monthly intrest rate. how much was the whole loan?

Over the course of a month, a person's weight decreases. what type of relationship is this? a. positive relationship