Nancy divided her marbles into 7 equal piles. What fraction of the total marbles would 2 piles be?

What is the measure of ac? 5 units 13 units 26 units 39 units

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

Me asap! what is the slope of this line? enter your answer in the box.