The nation's wealth in 2007 was about $72 trillion dollars. About how much money did the richest 1% of Americans control? (Recall that they controlled 42% of the nation's wealth.)

What is the best reason for jacinta to have a savings account in addition to a checking account

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 sum of two numbers is 12 and their difference is 18 what are the two numbers