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Which of the following pairs of equations represents parallel lines?

A. 2X + Y = 4 AND 4X + 2Y = 8
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A store sells pencils for $0.50 each and erasers for $0.75 each. If a student buys a total of 10 items for $6.00, how many pencils did the student buy?

B. 4
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If the roots of the quadratic equation ax^2 + bx + c = 0 are 3 and 4, what is the value of a if b = -7 and c = 12?

A. 1
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What is the H.C.F. of the polynomials 2x^2 + 4x and 4x^2 + 8x?

A. 2X
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What is the solution to the system of equations: 2x + 3y = 6 and x - y = 1?

C. (1,2)
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