Answer:
Slope is undefined
Step-by-step explanation:
Slope is calculated by
so now you put the points (-10,4) and (-10,8) into that.
Since both x values are the same you can tell that the line is a vertial line meaning the slope is undefined.
Answer:
100 miles
follow the line up from 5
3(2)-18=-12
6-18 = -12
-12 = -12