Lars bought 3 jars of marbles. each jar has 42 marbles, of which 1/3 are red. lars can use the calculation below to find the total number of red marbles.

3×(13×42)

how can lars simplify the calculation using the associative property of multiplication?

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 these consecutive integers is equal to 9 less than 4 times the least of the integer. find the three integers

Need asap. solve for the following inequality