permutation
picking a team captian, pitcher and shortstop from a group
permutation
picking two favorite colors in order
permutaiton
picking first, second and third place winners
combination
picking three team members from a group
combination
picking two of your favorite colors
combination
picking three winners
permutation
a set of objects in which position or order is important
combination
a set of objects in which position or order is NOT important
n
total
r
wants
permutation
key word: arrangement
combination
key words: different ways