Suppose that the function f(x)=2x+12 represents the cost to rent x movies a month from an internet movie club. makayla now has $10. how many more dollars does makayla need to rent 7 movies next month?

Simply 8x squared + 5(7x squared- x) - 2x =

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 slope and the y-intercept if there's one and the equation of the line given these two points( 3, 2) and( 3, -4)