Simplify: 4x + 5y + 6x -7y

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E = {Students in Year 12} G = {Students who study German} F = {Students who study French} M = {Students who study Maths} (i) G ∩ M = Ø Use this information to write a statement about the students who study German in Year 12

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Make a the subject of: (a+3)=(2a+7)/r

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Integrate ln(x).

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