Please find x and y i have tried so hard and i cant. i beg of you. 10 points

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 range of the relation in the table below? x y –2 0 –1 2 0 4 1 2 2 0

I'm a polygon i have no parallel lines i am formed 3 line segments i have one right angle two of my angles are angles what am i