Guys help! I need to find the greatest common factor (gcf) of this equation. It’s 2 but I have no idea what to do with the powers and variables

You will get 25 points an image of a rectangular prism is shown below: part a: a cross section of the prism is cut with a plane parallel to the base. what is the name of the shape created by the cross section? explain your answer. (5 points) part b: if a cross section of the prism is cut perpendicular to the base, what would be the shape of the resulting cross section? explain your answer. (5 points)

Ineed in figuring out this problem.

The zoo collects $9.60 for every 24 tickets sold. how much will be collected for 400 tickets?