Answer:
The slop is undefined
i.e. 
Step-by-step explanation:
Considering the slope formula

As the points are (7, -4) and (7, 0)
Here:

so



Therefore, the slop is undefined i.e. 
He is correct and incorrect. 2 and 4 can create factors but they can also be factors of other numbers. So 8 can be a factor of bigger whole numbers and can also have it own smaller factors.
There are 118.11 inches in 3 meters. So rounding up the answer would be C