Predict the population of bacteria for the given situation and time period.
situation: 125 bacteria that double every hour
time period: 6 hours
a. 10,000
b. 5,000
c. 8,000
d. 32,000

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

How do you use the elimination method for this question? explain, because i really want to understand!

How many terms does the polynomial x^2 y^2 have