Which best explains why the frame cannot actually be rectangular?

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

If a company produces x units of an item at a cost of $35 apiece the function c=35x is a of the total production costs

Marking brainliest rewrite the equation x = 65 - 60p by factoring the side that contains the variable p.