Answer:
9c because you don't know how much money Kelly actually spent so instead of doing 9 x the price of each box, you replace it with c, so it's 9c
Step-by-step explanation:
Answer:
8
Step-by-step explanation:
Each term differs by -68 and the first term is -68, we have:

As an expession it's just -68n.
I'd love to answer but what's the question
Step-by-step explanation:
please explain
81, if you mean 9 Squared.