Mr. magoo needs to paint in of his bedrooms that is 15ft by 20ft. if he paints only the walls, and each gallon of paint cover 100ft how many gallons of paint will he need?

In the diagram, the ratio of ab to ae is (1/2) . what is the ratio of the length of to the length of ?

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

What is the area of the triangle 10 13 12