The difference between 83and 109 is

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

When 142 is added to a number the result is 64 more then 3 times the number. option 35 37 39 41

If f(x) and g(x) are inverse functions of each other, which of the following shows the graph of f(g(x)