On their farm, Beth’s parents decided to plant beans in a certain area. They chose an area that was 1/2 of an acre wide and 3/4 of an acre long. Choose the model that shows the area they’ll use for beans. options:

3/4
6/8
4/10
3/8

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

Can someone me with the property questions for 12 13 and 14 plz

Solve each equation using the quadratic formula. find the exact solutions. 6n^2 + 4n - 11