Arectangular box with a square base is open at the top and has a volume of 12 cubic feet. each side of the base has a length of x feet. which of the following expresses the surface area, s, in square feet, of the outside of the box in terms of x? a)  b)  c)  d)  e)

What is 1/2 x (6 x 4)+3 + 2 show your work

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 || b and b | y, then ? a) x || y. b) x | a. c) a | y. d) a || y.