Answer:

Step-by-step explanation:
1. Add 19 to both sides.

2. Divide both sides by 2.

So, I need more details, is 3.14 the radius or is 100 the radius. Or is it the diameter???
Answer:
The equation is not linear so the slope does not exist. And neither does a slope for the parallel line.
Step-by-step explanation:
Good luck xx
Can you provide more information?