Question

Lines m and n are parallel. Line p is perpendicular to both line m and line n. Which statement about lines m, n, and p is NOT always true?

Answer 1

Answer:

I cannot say much without a lot of background, but I know that p makes 90 degrees when it intersects m and n, and that they do not necessarily have the same length, because it does not specify.

Step-by-step explanation:

Answer 2

Answer:

The sum of the slopes n and line p is 0.

Step-by-step explanation:

Out of all the choices this is the one that isn't true.