The length of a rectangle is 6 inches more than the width. The perimeter of the rectangle is 28 nches. Find the dimensions of the rectangle. (Set up and solve an equation)

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For the rule of 78, for a 12-month period, the last term in the sequence is 12 and the series sums to 78. for an 10 month period, the last term is and the series sum is . for a 15 month period, the last term is and the series sum is . for a 20 month period, the last term is and the series sum is

Select the conic section that represents the equation. 3x2 + 3y2 -2x + 4 = 0