Round 25,471 to the nearest ten thousand.

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

[15 points, algebra 2]simplify the complex fraction and find the restrictions.

Kira looked through online census information to determine the overage number of people living in the homes in her city what is true about kira's data collection?