15 points . a polynomial function can be written as
(x + 2)(x + 3)(x - 5)
What are the x-intercepts of the graph of this function?

A. (2,0),(3,0),(-5,0)
B. (-2,0),(-3,0),(5,0)
C. (2,0),(3,0),5,0)
D. (-2,0),(-3,0),(-5,0)

Which data set has a greater spread? why? set a: {38, 12, 23, 48, 55, 16, 18} set b: {44, 13, 24, 12, 56} has a greater spread because .

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 can be used to determine the slope of the line that passes through the points -6, three and one, -9