Cheryl used 40% of her money to buy a dress and 1/5 of the remainder to buy a pair of shoes. she then donated $60 to charity and had $132 left how much money did cheryl have at first?

Which system of linear inequalities is graphed? can somebody pleasssse

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

The function models the number of accidents