A rectangle has a length of x and a width of 3x^3+4-x^2. Find the perimeter of the rectangle when the length is 7 feet.

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i need on these three questions. find standard form equation of line perpendicular to y = (2/3)x - 8 that goes through the point

the equation of a line is -6x-2y=-18 what is the x 3 answers sep 21, 2015

finding the critical point for f(x,y)=(x^2)*y+y^3 1 answer mar 10, 2013

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answer: a.

step-by-step explanation: the answer is a. because, you need to converge the fractions to find a solution.