Can u help solve this

Sure:)! the answer is-487.5

Step-by-step explanation:

As said in the problem pie=3 as determined in the problem. Hence, the answer is 487.5

Hope this helps :)!

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

72 is the answer to this problem