Answer:
This should help you!
Step-by-step explanation:
http://money.com/money/4508221/iphone-7-mark-up-profit-margins/
Answer:
1. 8c^2 + 24c - 6
2. B
3. 4 and 3
4. -90cd 168c3d -30c2
Step-by-step explanation:
Answer:only Ivan
Step-by-step explanation:
The first thing that would would want to first do, we would then want to add up at the numbers in this figure, and the work would be done below.

Then,we would then have the result of the numbers added, and then, subtract it from 360°, knowing that this would be the sum of everything.