1.   An arrangement where order is not important is called a(n)
    A. combination. B. outcome.
    C. factorial. D. permutation.
    Hint

  2.   How many ways can 5 CDs be selected from a stack of 12 different CDs?
    A. 95,040 B. 792
    C. 17,280 D. 1440
    Hint

  3.   Find the value of 7!.
    A. 720 B. 28
    C. 5,040 D. 120
    Hint

  4.   How many different ways can four CDs be chosen from a case of 10 CDs?
    A. 5,040 B. 210
    C. 3,628,800 D. 120,960
    Hint

  5.   Find the number of line segments that can be drawn between any two vertices of a hexagon.
    A. 24 B. 9
    C. 15 D. 30
    Hint



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