Irectangular prism is completely packed with 90 cubes of edge length 1/2 inch without any gap or out or overlap which of the following describes the volume of this rectangular prism?

How to write 3 tenths and 5 tenths as a decimal

Given f(x) = 2x^2- 5x+1, determine the function value f(2). do not f(x) = in your answer

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