A yard has dimensions of 18 ft long and 25 ft wide. The new length is calculated with a scale factor of 75% and the new width is calculated with a scale factor of 175%. What is the new area?

Simplify a7/a4 a) 1/a3 b)-a/a2 c)a4/a3 d)a3

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

Askyscraper is 396 meters tall. at a certain time of day, it casts a shadow that is 332 meters long. at what angle is the sun above the horizon at that time?