Marco is making seven open-topped boxes for carrying plants. The boxes are made from rectangular pieces of cardboard in which 6-in. squares are cut from each corner. The length of one rectangular sheet is 12 in. more than the width. If the volume of seven such boxes is 12096 in., what are the dimensions of the boxes? Sketch the problem and also find the dimensions of the rectangular sheet.

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Equations and inequalities describe the relationship between two mathematical expressions.

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A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.