4. Find the volume of the cylinder. Leave your answer in terms of PI
i need the answer and the work pls.

The radius of the earth is two times the radius of the moon. what fraction of the volume of the earth is the volume of the moon?

What does the sign of the slope tell you about a line?

Circle a has a diameter of 7 inches, a circumference of 21.98 inches, and an area of 38.465 square inches. the diameter of circle b is 6 inches, the circumference is 18.84 inches, and the area is 28.26 square inches. part a: using the formula for circumference, solve for the value of pi for each circle. (4 points) part b: use the formula for area and solve for the value of pi for each circle. (4 points)