Given the function h(x) =-x^2+3x+8, determine the average rate of change of the function over the interval 1 < x < 6?

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

Terri makes a quilt using three sizes of fabric squares the side lenght of each fabric square is the square root of the area

What is the volume of a cone with a height of 6 cm in the radius of 2 cm