Given the function f(x) = x2 – X – 8, determine the average rate of change of the function over the interval -4 < x < 3.

Select all the correct answers. what is 221,000,000,000,000,000,000 expressed in scientific notation?

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 is the shape of the height and weight distribution