<span>-6(-5)+12
Multiply -6 by -5.
Note: Whenever you multiply or divide a negative number by another negative number, it automatically becomes a positive number.
30+12
Add
Final Answer: 42</span>
Answer:

Step-by-step explanation:



M = (y-y)/(x-x)
= 9-1/-7-(-7)
= 8/0
It is a vertical line