The slope of the red line is 5. The correct answer is option B. 5
Two parallel lines, always have the same slope. Since the green and red line are parallels and the green line has slope 5, the slope of the red line is also 5.
14x+7=-91
-7=-91-7
14x=-98
*14 *14
x= -1372
The direction you are traveling to get back home is North
