Which statement describes what happens when a pair of parallel line segments are rotated?
The segments remain the same length, but are no longer parallel.
The segments remain the same length, and remain parallel.
The segments change length, and are no longer parallel.
O
The segments change length, but remain parallel.

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