need help with all of these questions you see on the top. there the red squares. please someone smart. this is one of the problems I need to finish this tonight

Answer:
V = 13 x 9π
Step-by-step explanation:
The figure formed by filling water is also a cylinder, so the volume formula is the same: base area times height. This means that:
V = 9π x 13
It can also be rearranged to read:
V = 13 x 9π