Hello! Can someone please answer these 2 questions for me <3

To complete your spring schedule, you must add calculus and physics. at 9: 30, there are three calculus sections and two physics sections; while at 11: 30, there are two calculus sections and three physics sections. how many ways can you complete your schedule if your only open periods are 9: 30 and 11: 30?

Whats the name of the vertical axis

What’s the volume of the triangular prism?