Mari is adding (-7) and (-2). She adds their absolute values and says the answer is 9. What did Mari forget?
A
that is neither positive nor negative
B
to move left on the number line
С
to keep the sign of the larger integer
D
to keep the sign of the two integers being added

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

Write an equation of the line that passes through the point (2, 3) and is perpendicular to the line x = -1. a) y = 1 b) y = 3 c) y = 0 eliminate d) y = -3

If 5x - 2 = -12, then x = a) -50 b) -4.4 c) -2.8 d) -2