How many different triangles can you make if you are given the measurements for two sides and the angle between those sides?

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

Atemperature of 1.64◦f corresponds to answer in units of ◦c.

The area of a circle is equal to 1 dm². find the radius of the circle.