Multiply the monomial and polynomial−3y(5y^3+11y^2−y+8)
a. 15y^4+33y^3−3y^2+24y
b. -15y^4-33y^3-3y^2-24y
c. -15y^3-33y^2-21y
d. 15y^3-33y^2+21y

Does anyone know this? the andwer choices are: 79, 85, 101, and 135 degrees!

What is the area of triangle abc if a = 8, b = 11, and c = 15?

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