1.   Simplify x3y0z-2.
    A. B. -x3yz2
    C. 0 D.
    Hint
  2.   Simplify Assume the denominator is not equal to zero.
    A. B.
    C. D.
    Hint
  3.   Simplify . Assume the denominator is not equal to zero.
    A. B.
    C. D.
    Hint
  4.   Simplify . Assume the denominator is not equal to zero.
    A. B.
    C. D.
    Hint
  5.   Simplify . Assume the denominator is not equal to zero.
    A. B. -b2
    C. D.
    Hint