Which expression represents the area of the composite figure 13. shown below? x2 + 52x + 405 2x2 + 79x + 405 A. C. x2 + 69x + 405 2x2 + 87x + 405 B. D. 14. The length, width, and height of a right rectangular prism are feet, feet, and x feet, respectively. Which expression represents the volume of the prism? A. C. cubic feet cubic feet B. D. cubic feet cubic feet Which expression is equivalent to (3x2 – 5x + 4) + (2x2 – 7)? 15. 5x2 – 5x – 3 6x2 – 5x – 3 A. C. 5x2 – 5x – 11 5x4 – 5x – 3 B. D. Which expression is equivalent to 3(6x – 1)(2x + 3)? 16. 36x2 + 48x – 9 36x2 – 9 A. C. 36x2 + 52x – 3 54x2 – 3 B. D.
13. Which expression represents the area of the composite figure shown below? A. x2 + 52x + 405 C. 2x2 + 79x + 405 B. x2 + 69x + 405 D. 2x2 + 87x + 405 14. The length, width, and height of a right rectangular prism are feet, feet, and x feet, respectively. Which expression represents the volume of the prism? A. cubic feet C. cubic feet B. cubic feet D. cubic feet 15. Which expression is equivalent to (3x2 – 5x + 4) + (2x2 – 7)? A. 5x2 – 5x – 3 C. 6x2 – 5x – 3 B. 5x2 – 5x – 11 D. 5x4 – 5x – 3 16. Which expression is equivalent to 3(6x – 1)(2x + 3)? A. 36x2 + 48x – 9 C. 36x2 – 9 B. 36x2 + 52x – 3 D. 54x2 – 3