Evan earns $21.50 per hour for 25 hours and time and a half for overtime. If he worked 5 hours overtime, what is his total pay?

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

Simplify the expression 10/11(22z) + (a+5) -1

He that is measured at 220° is a reflex angle. the opposite angle is obtuse. find the measure of obtuse .