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

  2.   Solve x = -9 - (-7).
    A. -16 B. 16
    C. -2 D. 2
    Hint

  3.   Solve t = -3 - 8.
    A. -11 B. 11
    C. 5 D. -5
    Hint

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

  5.   The record high and low temperatures recorded in New York are 108°F and -52°F, respectively. What is the range of temperatures?
    A. -56°F B. 160°F
    C. -160°F D. 56°F
    Hint



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