Answer:
The answer is C-arranging, in order, 2 items from a set of 3. On E2020
Step-by-step explanation:
My teacher pretty much told me because she did not want to explain it (:
1. M = 7-5n
2. M = 5n - 8 / 4
3. M = - 8n - 1 / 3
4. M = - -5n-13/3