Lumpy collects the same amount of rocks each day. On the 5th day he had 53 rocks. On the 11th day he had 101 rocks. Write an equation that represents the number of rocks he has at any day.

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

Solve this problem! extra ! 3025/5.5 = a/90.75

Find the unit rate for: 75% high-fiber chimp food to 25% high -protein chimp food.