the histogram shows the result of survey asking students how many windows are in their homes how mnay studengs have less than 10 windows. I will mark help

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 percent of the circle below is shaded?

5x−4≥12 or 12x+5≤−4 can you with this problem