Solve the triangle!!
Can you show the steps so I know how to do the rest please!

Consider the diagram. which line segment has the same measure as st? rx tx sr xs

What is the distance between the points (2 -3) and (-6 4) on the coordinate plane

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