Answers for this plus work please. Hurry Due in 30 minutes

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?

What three-dimensional solid have 6 rectangular faces, 2 equal bases that are not rectangles and 18 edges

Check all that apply. f is a function. f is a one-to-one function. c is a function. c is a one-to-one function.