Ascale drawing of a bathroom is shown below:

a rectangle is shown. the length of the rectangle is labeled 2 inches. the width of the rectangle is labeled 3.5 inches. the scale is 1 to 20.

what is the area of the actual bathroom in square feet? round your answer to the nearest whole number.
7 ft to the power of 2
19 ft to the power of 2
12 ft to the power of 2
140 ft to the power of 2

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