The square pyramid shown below has a base with sides of 12
1212 units. The vertical height of the pyramid is
15
1515 units.

12

12
15

15
s
s

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 equation of the line that is parallel to the line with the equation y= -3/4x +1 and passes through the point (12,-12)

An ant travels at a constant rate of 30cm every 2 minutes.at what speed does the ant travel per minute