1.   Find . Write the difference in simplest form.
    A. B.
    C. D.
    Hint

  2.   Solve z = .
    A. B.
    C. 1 D.
    Hint

  3.   Find + written in simplest form.
    A. B.
    C. D.
    Hint

  4.   Find + written in simplest form.
    A. 1 B. 1
    C. 1 D.
    Hint

  5.   Find - written in simplest form.
    A. B.
    C. D.
    Hint



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