The slope is the change in Y over the change in X:
Slope = (3 -12) / (4-0)
Slope = -9/4
The answer is the 3rd choice.
Answer:

Step-by-step explanation:

Answer:
sometimes
Step-by-step explanation:
it can be only possible in case of obtuse triangle.
Answer:
13
Step-by-step explanation:
26 would be the diameter and radius is half of diameter