1.   Solve (-2)(5) = r.
    A. -10 B. -3
    C. 7 D. 10
    Hint

  2.   Solve a = (-1)(-4)(-3).
    A. 12 B. -12
    C. -8 D. 13
    Hint

  3.   Solve z = -48 ÷ 6.
    A. -54 B. -8
    C. -42 D. 8
    Hint

  4.   Evaluate -4pr if p = -6 and r = 3.
    A. -27 B. 27
    C. 21 D. -21
    Hint

  5.   The temperatures in five Minnesota cities are -7°F, -3°F, 5°F, -4°F, and -6°F. Find the mean (average) temperature of the cities.
    A. -2°F B. -3°F
    C. 1°F D. -4°F
    Hint



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