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10-56.
  1. If the pep squad has 12 members, in how many ways can five students: Homework Help ✎

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

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

Order matters. There is no repetition.

12P5 = 95, 040

Order does not matter. There is no repetition.

12C5 = 792