X-2<3 I can’t do this I have adhd so it is really hard for me

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

Divide. –4.2 ÷ 6 = a –0.7 b 0.7 c –7 d 7 me

The volume of a box varies directly with its length if a box in the group has a length of 30inches and k=24 what is its volume