1.   Solve y = -7 - (-15).
    A. 105 B. 8
    C. 9 D. -22
    Hint

  2.   Evaluate x - y if x = 2 and y = 7.
    A. 5 B. -9
    C. -5 D. 9
    Hint

  3.   Solve z = -15 - 7.
    A. 8 B. -22
    C. 22 D. -8
    Hint

  4.   Evaluate x y if x = 8 and y = -5.
    A. -3 B. -13
    C. 13 D. 3
    Hint

  5.   Miami, Florida is 5 hours ahead of Honolulu, Hawaii. If it is 5:00 A.M. in Miami, what time is it in Honolulu?
    A. 1:00 A.M. B. 11:00 P.M.
    C. midnight D. 10:00 A.M.
    Hint



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