Answer:
It will be $5 per square yard
Step-by-step explanation:

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<u>It's 10.</u>
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<u>It's 90</u>
19 8/10 and if its simplified, 19 4/5
(x^1/2 y^-2/3)^-6
= x^(1/2*-6) y^[(-2/3) *(-6)]
= x^-3 y ^4
= y^4 / x^3
answer is D. y^4 / x^3