personfromyourscreen personfromyourscreen 01-03-2019 Mathematics contestada Which of these expressions is equivalent to (x^2 y^3)^-2(y^2 z^3)^3? A. z^9 y/x^4 B. z^9/x^4 y^36 C. y^6 z^6 D. z^9/x^4