The attendance for the first night of a play is 455. the attendance increases by 16 on each of the next 9 nights.

what is the total attendance for the 10 nights?

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

Select the conic section that represents the equation. 3x2 + 3y2 -2x + 4 = 0

In the equation sqrt(n+5)-sqrt(11-10)=1. what is the value of n