Mathematics, 22.06.2019 12:00 melissa3333

What is the value of 13x^-3y^-1 for x=-1 and y=4 hel so stressed need this 13x^-3y^-1 for x=-1 and y=4 a) -13/4 b) -52 c) -4/13 d) -156

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What is the value of 13x^-3y^-1 for x=-1 and y=4 hel so stressed need this 13x^-3y^-1 for x=-1 an...

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