Answer:
It's B. n3 - 4n - 4
Step-by-step explanation:
Hope this helps.. ;)
Answer:

Step-by-step explanation:
Using the rule of exponents
=
, then
=
= 
Answer:
Option A is correct
Step-by-step explanation:
Hope it is helpful....
Answer:
9
Step-by-step explanation:
3 (6)-9 (1)=9
18-9=9
i think that is the answer