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

  2.   Find . Write the answer in simplest form.
    A. B.
    C. D.
    Hint

  3.   Find 18 × . Write the answer in simplest form.
    A. B.
    C. 4 D.
    Hint

  4.   Find . Write the answer in simplest form.
    A. 16 B. 18
    C. D.
    Hint

  5.   Evaluate xy if x = and y = .
    A. 1 B.
    C. D.
    Hint