21. Find the volume of the water in the container in liters. (1 liter = 1000 cm3) The volume of the water is
_ liters.

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

What is the value of x when x + 7 = 21?

East black horse $0.25 total budget is $555 it'll cost $115 for other supplies about how many flyers do you think we can buy