The requirements of a roller coaster are as follows: 1. At least 5 feet tall, 2. Weigh no more than 350 pounds, 3. Must be 16 years or older. Write the 3 inequalities that represent each requirement.

What is the remainder when 2872 is divided by 76? a) 51 b) 57 c) 60 d) 63

Acertain population of bacteria demonstrates exponential growth doubles in size every 4 days. how long will it take the population to triple in size?

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