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

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

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

  4.   Evaluate x y if x = 8 and y = -5.
    A. -13 B. 3
    C. -3 D. 13
    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. 160°F B. 56°F
    C. -56°F D. -160°F
    Hint



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