Gabriella ate 2 pieces of pizza for lunch. for dinner, she ate x more pieces

Solve for x -2.3(r - 1.2 ) = -9.66 enter you answer as decimal.

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

Bring the fraction a/a-4 to a denominator of 16-a^2