Answer:
Wait I just realized, none of them are cubic? for a polynomial to be cubic it needs to be 
1. 6/7÷2/7 = 3
2. 4/5÷2/5 = 2
3. 4/7÷2 = 2/7
4. 12/13÷3 = 4/13
HOPE THIS HELPS!!!!!!!!!!!
The part of mathematics in which letters and other general symbols are used to represent numbers and quantities in formulae and equations.
Answer:
Your anwser would be D
Jacki did not subtract 12 from 8 correctly.
Step-by-step explanation:
It should be a negative instead of a positive