What expression will give you the correct answer to the stated problem?

The function v(r)=4/3pir^3 can be used to find the volume of air inside a basketball given its radius. what does v(r) represent

Why is partitioning a directed line segment into a ratio of 1: 3 not the same as finding the length of the directed line segment?

Draw a geometric diagram of this scenario using two parallel lines and one transversal. (remember that a transversal is a line which cuts across parallel lines.) label the angles, parallel lines, and transversal as indicated in the diagram above.