Because we're given two points on the line, we can apply the slope formula to find the answer:

-4 - 8 / 2 - (-1)
-12 / 3
-4
<h3>The slope of the line is -4.</h3>
<span><u>Answer </u>
Skew lines do not lie on the same plane.
<u>Explanation
</u>
Skew line are lines that do not meet yet they are not parallel. Skew line are such that when translated they make an angle with each other. So they cannot be said to be parallel.
</span>
Answer: 18
Step-by-step explanation: