<span>C.-8+(8+7)=(-8+8)+7.</span>
Step-by-step explanation:

-54 / -2 = 27
So yeah, 27 would be your answer.
Hope this helped :)
I think it is 1! I did it like this. 9•9• 9=1
I put period but it is the division sign
Answer:
$180
Step-by-step explanation:
I hope this helps........