Question #1: In an if statement, there is a conditional if that one thing happens. However, in an if then statement, there is a conditional if that thing happens and a condition if that one thing doesn't happen.

Question #2: you can use a simple if then conditional. If the mouse is at zero then move ten steps and say that your mouse is at zero.

Question #3: Freshmen, sophomores, or juniors whop are on the soccer team or in the band.

Question #4: the seniors who are on the soccer team or in the band.

Question #5: The sprite will say zero if the number on the left of the mod command is a multiple of 15.