A quadratic function is used to describe the arch of a bridge. At the base, the arch is 20 feet wide and has a maximum height of 8 feet. If the left side of the base is at the origin, which graph best represents
the function?

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.

Simplify -4z+2y-y+-18z a.-22z+y b.-14z+2 c.3y+22z d.y +14z

Find two numbers if their sum is 91 and the ratio is 6: 7?