### Home > A2C > Chapter 13 > Lesson 13.1.1 > Problem13-14

13-14.

If the pep squad has $12$ members, in how many ways can five students:

1. Line up for a picture in the school newspaper?

Order matters. There is no repetition.

$_{12}\text{P}{_5}= 95,040$

1. Be chosen to visit the rival school before the big game?

Order does not matter. There is no repetition.

$_{12}\text{C}_{5}= 792$