How much pressure is exerted on a science lab floor if the lab desk has an area of 1.08 m2 andaforceof12000N?

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

9/10 divide by -3/15 as a mixed number

The midpoints of the sides of the large square are joined to form a smaller square. what is the area of the smaller square