Me Review
Simplify the expression. Explain each sia
1. 2 + (5 + y)

Which is an equation for the nth terms of the sequence 12,15,18,21

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

Find the zeros of each function. f(x) = x^2 + 5x - 6