Determine whether the decimal is terminating repeating or irrational 0.4286

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

What are the solutions of the system? solve by graphing. y = -x^2 -6x - 7 y = 2

Indicate the formula for the following conditions: p^c(n,r)=