How would u put this in slope intercept form 3y=-6+x

Write a function that matches the description. a cosine function has a maximum of 5 and a minimum value of -5. f (r) =

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 value of x. give reasons to justify your solutions! l, m ∈ kn