an office building srrounds a rectangular open-air courtyard what is the volume of the building how did you find the answer find the cubic meter​

7. d. 64

8. i. 32

9. c. 125

10. j. none of the above

11. d. 81

12. i. 216

13. e. none of the above

14. g. 240

15. e. none of the above

16. g. 32

17.   e. none of the above

80x^8−68x^6+16^5−20x^4−4x^3+8x^2

hope i'm right lol