1.   Find
    A. B.
    C. D.
    Hint

  2.   Find a number that when squared equals 484.
    A. None of these is correct B. 22 only
    C. -22 only D. 22 or -22
    Hint

  3.   Solve the equation x2 = 0.81.
    A. x = 0.9 only
    B. none of these is correct
    C. x = 0.9 or x = -0.9
    D. x = -0.9 only
    Hint

  4.   Simplify .
    A. B.
    C. D.
    Hint

  5.   Evaluate.
    A. 6 B. –6
    C. 8 D. 5
    Hint



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