The ratio of the number of mimi’s eminem cd’s to the number of rita’s eminem cd’s is 5: 8. rita has 18 more eminem cd’s than mimi. if rita gives 22 cd’s to mimi, what will be the new ratio of the number of mimi’s eminem cd’s to rita’s?

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

F(n + 1) = f(n) – 8. if f(1) = 100, what is f(6)?

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)