1.   Simplify x3y0z-2.
    A. B.
    C. 0 D. -x3yz2
    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. -b2 D.
    Hint

  5.   The area of the rectangle shown below is 4x3y2, and its base b is 2x5y. Find the height, h.
   
    A. 8x8y3 B.
    C. D. 2x2y
    Hint