For this case we have that by definition, the equation of a line in the slope-intersection form is given by:

Where:
m: It is the slope of the line
b: It is the cut-off point with the y axis

We have the following points:

Substituting we have:

Thus, the equation is of the form:

We substitute one of the points and find "b":

Finally, the equation is of the form:

Answer:

The radius is shown as 5 cm,
Use the given formula:
Using 3.14 for PI:
Volume = 4/3 x 3.14 x 5^3
Volume = 523.33 cubic cm
The question is cut off, so round the answer as needed.
Answer:
see below
Step-by-step explanation:
Pi is approximately 3.14
4*3.14 =12.56
So about halfway between 12 and 13