The total length of a beach is 18.4 kilometers. If lifeguards are stationed every 0.08 kilometers, including one at the end of the beach, how many lifeguards will there be on the beach?

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

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

Find the ratios of the corresponding sides