Please do this on paper.

1.In a video game, you have a choice of5 different characters for your avatar. You then have a choice of 9 costumes and4 weapons. How many different ways can you create an avatar?

2. There are17 roller coasters at Canada's Wonderland. Depending on the lineups, you will either ride 6 or 7 of the roller coasters in a day. In how many different orders can you do this?

3.A used car dealership has15 different red cars and32 different sedans (7 of which are red). In how many different ways can the dealershipline up 5 cars so that they areall red or all sedans?

4.There are8 students scheduled to present their projects: Aidan, Cristina, Ella, Gurnoor, Isabella, Julian, Kent, and Nehafta. If their names are drawn randomly to determine the presentation order, what is theprobability that Aidan will go first and Cristina will go second?