1.   Solve -12 - (-3) = m.
    A. -9 B. 15
    C. 9 D. -15
    Hint

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

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

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



Glencoe
The McGraw-Hill Companies