Show your work. Pine Bros cough drops sell for $3.79 at a discount pharmacy. To the nearest whole percent, how much did the price decrease, if the regular price is $4.19?

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

Define multiplicative inverse. give an example of a number and its multiplicative inverse.

How are sas and sss used to show that two triangles are congruent?