PLS HELP WILL MARK BRAINLIEST! Julie is ordering a stained glass window for the entryway of her house. The window she wants to replace it with is a regular octagon having side lengths of 18 inches and an apothem length of 18.1 inches. What is the area that will be covered by the stained glass?

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

Based on the diagram, match the trigonometric ratios with the corresponding ratios of the sides of the triangle. tiles : cosb sinb tanb sincposs matches: c/b b/a b/c c/a

Me. i can't figure out this question. give an explanation too. .