*answer asap ! * the regular price of a pair of jeans is $49.50. during a sale, the jeans were marked as 15% off. what was the approximate price of the jeans during the sale? $3.30 $7.43 $42.08 $56.93

The verbal translation for the difference of m and 7 increased by 15

Need solving this second acceleration problem.

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