Let u = < -6, 1> , v = < -5, 2> . find -4u + 2v

Find the missing factor. 7s2 + 25s + 12 = (s + 3)( ).

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

For each proportion find the unknown number x 1/5/8=×/15