20 + 20 + 10 + 25 = 75
75 - 2 = 73
P ( blue for the third selection ) = 20/73
The slopes of perpendicular lines are negative reciprocals
parallel lines have the same slope
Answer:
m= 
Step-by-step explanation:
1. Use the slope equation to solve the problem

2. Plug in your values into the equation.

3. Simplify the equation.
m= 
Answer:
The answer is C
Step-by-step explanation: