X2 + x - 6 = 0 a. -2, -3 b. -2, 3 c. 2, -3 d. 2, 3

The variable in a relation who’s value depends on the value of the independent variable is called what?

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

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?