The volume of a rectangular prism is 840 cubic cm. The width is 3 cm more than the height, and the length is 5 cm more than width.
7. Which of the following equation describes the given situation?
A. (w) (w + 3) (w + 5) = 840cm3 B. (w) (w – 3) (w + 5) = 840cm3 C. (w) (w – 3) (w – 5) = 840cm3
D. (w) (w + 3) (w – 5) = 840cm3
8. What is the width of the prism?
A. 7cm B. 8cm C. 9cm D. 10cm
9. What is the height of the prism?
A. 10cm B. 11cm C. 12cm D. 13cm

10. What is the length of the prism?
A. 12cm B. 13cm C. 14cm D. 15cm

11.A ball is thrown vertically upward from the ground. The equation of motion is () = −162 + 32. If the positive direction of the distance from the starting point is up, how many seconds does it take the ball to reach the ground?
A. 1 B. 2 C. 3 D.4