Yup, I am a seventh grader who is really in need of some help. =(

( I already have 7 answered, but I am sooo confused about the other ones!! )

Here is the problem,

For questions 7-10, use a=2, b=3, and c=6.

7. (Answered)

8. nc=

9. c/n=

10. 2b=

Thanks so much for helping! ^^