Twenty people are going by van to a movie. each van seats 8 people. how many vans are needed to take everyone?
am i correct with 3 vans?

Which expression is equivalent to 2x^2+2x-4/2x^2-4x+2

Three coins are flipped. what is the probability that there will be at least two tails?

Determine whether the points (–3,–6) and (2,–8) are in the solution set of the system of inequalities below. x ? –3 y < 5? 3x + 2 a. the point (–3,–6) is not in the solution set, and the point (2,–8) is in the solution set. b. neither of the points is in the solution set. c. the point (–3,–6) is in the solution set, and the point (2,–8) is not in the solution set. d. both points are in the solution set.