Name one possible cross-section of a sphere

Hey free points ! people i have a few math questions on my profile consider looking at them i have to get done in 30 mins!

Robin spent 25% more time on his research project than he had planned he’s been an extra h ours on the project which of the following expressions could represent the number of hours rob actually spent on the project

There are 8 movies that you would like to see currently showing in theatres. in how many different ways can you choose a movie to see this saturday and one to see this sunday?