Answer:
<h3>If you had a line of x = 7, (or any time you have an equation where x equals a number) then you would have a vertical line. In every vertical line, the slope is undefined. In equations of lines that are in the format of y = mx + b, the slope is represented by the "m".</h3>
I'm assuming you're subtracting. It would be 3.9. The second one would be 0.65.
Answer:
HI! I think the answer is 4.