Answer:
b
Step-by-step explanation:
Answer:
I think its 4/9 I couldn't really see
If two lines are perpendicular, then the product of their slopes is -1:

From the problem, we identify:

Then, using the equation (1), we calculate the slope of the green line:

Answer: Option D
I believe the answer you are looking for is 4^15. I'm not 100% sure though.
Hope it helps!