Point Ris on line segment QS. Given QS = 2x + 2, QR = 3x – 5, and RS = 5x – 5, determine the numerical length of QR.
QR=
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You need to solve a system of equations. you decide to use the elimination method. which of these is not allowed? 3x - 2y = 7 3x + 4y = 17 equation 1 equation 2

Talia grouped the terms and factored out the gcf of the groups of the polynomial 15x2 – 3x – 20x + 4. her work is shown below. (15x2 – 3x) + (–20x + 4) 3x(5x – 1) + 4(–5x + 1) talia noticed that she does not have a common factor. what should she do?

Which equation can be simplified to find the inverse of y = 2x2^2