Here are two copies of the same figure. Show two different ways for finding the area of the shaded region. All angles are right angles.

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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

Find the interior angle of a regular polygon which has 6 sides

Afair die is cast four times. calculate the probability of obtaining exactly two 6's round to the nearest tenth of a percent