Julia has 2 identical rooms in her house. if each room measures 8 feet on one side and 12 feet on another, what is the total area of the rooms? a. 96 square feet b. 156 square feet c.

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

Plz ( true - false) all triangles have interior angles whose measure sum to 90.

Which number line correctly shows 0.8 + 0.3?