He didn't do it as rise over run, or y2-y1/x2-x1
He did it reverse, which is incorrect.
Its step 2 my guy.....................................
The answers to the questions
Answer:
12
Step-by-step explanation:
1
2
3
4
5
6
7
8
9
10
11
12
1+2+3+4+5+6+7+8+9+10+11+12=78
Answer:
USE INVERSE OPERATION
Step-by-step explanation: