Simplify the expression.
-8x-10 y 6 / - 2x2y-8

Identify a1 and r for the geometric sequence an= -256(-1/4) n-1

Julia is going for a walk through the neighborhood. what unit of measure is most appropriate to describe the distance she walks?

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