Which compound inequality has no solution? O x > 2 and 3x less than or equal to 9 O x> 1 and 2x less than or equal to -2 O x>-1 and 4x is greater than or equal to -8 O x>-2 and 5x greater than or less than 15

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

Which graph represents the parent function of y=(x+2)(x-2)

Identify the expression equivalent to 4(x + x + 7) − 2x + 8 − 4 by substituting x = 1 and x = 2.