ANSWERS: 2

the square route of 9 is 3 and the square route of 64 is 8 but other than that i don't know what your talking about

9 is 3^2 64 is 8^2 so 3^2 x^6 / 8^2 y^3 halve all the powers: 3 x^3 / 8 y^(3/2)
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