At a used bookstore, Cindy bought a paperback book for $1.75 and some children's books for $0.75 each. She spent a
total of $5.75. Which equation will find how many children's
books Cindy bought?
A. 1.75 -0.75x = 5.75
B. 1.75 +0.75x = 5.75
C. 1.75X + 0.75 = 5.75
D. 1.75% - 0.75 = 5.75

The perimeter of a movie screen is 54 meters. the screen is 18 meters wide. how tall is it?

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.

Math each whole number with a rational,exponential expression