D. (I used 3.14 as pi so my answer was a little off so I just went with the one closest to my answer)
Answer:
4/5
Step-by-step explanation:
Slope
Slope y-intercept of a line: y = mx + b
Where m is the slope and b is the y-intercept.

Answer:
4/25
Step-by-step explanation:
6 1/4=25/4
The reciprocal of 25/4 is 4/25.
1 1/2? I pretty sure this is the answer.