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ABCD is parallelogram with DC =5y -X, BC -4X +2y, AB =18 and AD =16 Find the value of X and Y What is it perimeter? answer please

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A chemical formula is a WAY of presenting information about the chemical proportions of atoms that CONSTITUTE a PARTICULAR chemical compound or molecule, using chemical element symbols, numbers, and SOMETIMES also other symbols, such as parentheses, dashes, brackets, commas and plus and MINUS signs.



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