I could be wrong but i graphed it out and 9 is C , 10 is A , and 11 is C Hopefully it's right
Answer:7 4ts
Step-by-step explanation:
(3m - 4n - 7) - (8m + n - 6)
3m - 8m = - 5m
-4n - n = -5n
-7 - (-6) = -7 + 6 = -1
-5m - 5n - 1 is your answer
hope this helps
Answer:
Step-by-step explanation:
By geometric mean theorem:

The absolute value of zero is zero