Helen had $330 in her savings account when Vince opened a savings account with zero dollars. Helen deposited $30 into her account each week for x weeks. Vince deposited $50 into his account each week for x weeks. The accounts did not earn interest. Which inequality represents this situation when the amount of money in Helen's account was greater than the amount of money in Vince's account? A. 30x < 330 + 50x A. , 30x < 330 + 50x B. 50x > 330 + 30x B. , 50x > 330 + 30x C. 30x > 330 + 50x C. , 30x > 330 + 50x D. 50x < 330 + 30x

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

Solve the following inequalities and show the solution on a number line. 3/4 (2x-7) ≤ 5

Eric drove 275 miles in 5 hours. at the same rate how long would it take him to drive 495 miles?