Answer:
0
Step-by-step explanation:
Thinking process:

=
by Stoke's Theorem
=
since z = 
Answer:
I believe the answer is b
Step-by-step explanation:
I might be wrong
Answer:
Your solution would be -1x^4 - 1x^3 + x^2 - 6x - 6.
Step-by-step explanation:
80-64=24
24 is 30% of 80 so a decrease of 30%
Answer:
70
Step-by-step explanation: