Hurry ! the minimum number of triangles needed to construct a polygon sophia made is 3. which could show sophia’s polygon?

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

Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?

To determine the number of deer in a forest a forest ranger tags 280 and releases them back