Solve the question and show your work what property is illustrated by 21x1 = 21 is it a. zero property or b. distributive property or c. property of one

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 an inequality and solve each problem. for exercises 11 and 12, interpret the solution.

Find the commission on a $590.00 sale if the commission is 15%.