If the area of the square is 100 square millimeters, what is the perimeter of the shaded region?

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

Simplify 15(x - 4)(x -1)-3(x + 4)(x - 1) with steps

Determine if the equation defines y as a function of x: 2xy = 1. yes o no