Aline with a slope of 4 passes through the point 2,1.what is the equation of the line?

Given: ac and db are diameters. m∠3=

What is the solution to the system of equations? (–2, –8) (–1, –5) (0, –2) (2, 4)

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