A student factors a^6 - 64 to (a^2-4)(a^4 + 4a^2+ 16). Which statement about (a^2 - 4)(a^4 + 4a^2 + 16) is correct?

What is the y intercept of f(x)=(1/2)^x?

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 expression is not a polynomial?