Answer:

Step-by-step explanation:
<u><em>Distance between two points:</em></u> Distance between two pints
is given by

Distance between 

The additive inverse of something is whats added to the original to get 0
So in this case n - n = 0, which is B :)
X=8
Here my
Work message me if u have questions
Elevation above sea level = 2x+50
rock climbers minute of climbing = x
2x + x + 50
3x + 50
The answer is d because 3x5=15