You are using an inflatable ball that has an inner sphere filled with water. The sphere that contains the water has a radius of 3 inches and the entire
inflatable ball has a radius of 9 inches. What is the volume that the air takes
up?

is there any photos or whatever?

look at the picture.

y-intercept for the function on a picture is 4 → point (0, 4).

y-intercept for the function

is for x = 0. substitute:

y-intercept is 8 → point (0, 8).

x-150=475   x=625

step-by-step explanation:

if the bike after the sale ($150) is $475 then just simply add 150 to 475.