Select all ratios equivalent to 6: 9: a)54: 46 b)9: 6 c)18: 27

1. are the triangles similar and if so why? what is the value of x? show your work.

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

When using the linear combination metho e linear combination method to solve a system of linear equations, the four options are: