5.If Emily hassevendifferent toys to choose from, how many different combinations of toys could she have if she must select at least one?

6. How many ways can the baseball coach put together a batting order of his 9 players if he must put the catcher in the 4th batting position?

7. If a set has 12 elements total, how many different subsets can be created? Any type of subset is allowed.

8. My daughter types four distinct lower case letters randomly onher alphabetkeyboard. In how many ways can this be done?