Drag each statement to show whether it is true, based on the graph. the one in imaginemath about pumpkins

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

Acircle has a circumference of 7.850 units. what is its radius?

What is the remainder when 3x^2-x-10 is divided by x-1 -6,-7,-8, or -9