The number of campers who sign up for archery each week is listed in the table. if the relationship is proportional, how many campers will sign up for archery in week 3?
archery sign up total campers
week 1 36 120
week 2 45 150
week 3 ? 130
a. 54
b. 40
c. 41
d. 39

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

What is the solution to the equation? k/6.4=8.7 2.3 5.568 15.1 55.68

Thales was an ancient philosopher familiar with similar triangles. one story about him says that he found the height of a pyramid by measuring its shadow and his own shadow at the same time. if the person is 5-ft tall, what is the height of the pyramid in the drawing?