In the past month, Kala rented 3 video games and 7 DVDs. The rental price for each video game was $3.30. The rental price for each DVD was $3.80. What is the total amount that Kala spent on video game and DVD rentals in the past month?

Anyone know? will mark brainliest if you're correct!

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

Through non-collinear points there is exactly one plane.