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Solve the following system of equations using substitution: x + 2y = 10 and y = 3x - 5.

A. (5, 2.5)
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Which of the following quadratic equations has roots that are both real and equal?

A. X² - 4X + 4 = 0
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What is the H.C.F. of the polynomials 6x^2y and 9xy^2?

A. 3XY
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Which of the following is a factor of the polynomial x^2 - 5x + 6?

A. X - 2
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If a linear equation is represented as 4x - 5y = 20, what is the slope of the line?

A. 4
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