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

C. (1,2)
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If the equations 3x + 4y = 12 and 6x + 8y = 24 are solved, what can be concluded about their solutions?

C. THEY HAVE INFINITELY MANY SOLUTIONS.
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What is the graphical representation of the equations x + y = 5 and x - y = 1?

A. TWO INTERSECTING LINES
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What is the graphical representation of the equation 2x - 5y = 10?

C. A LINE WITH A POSITIVE SLOPE
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What is the H.C.F. of the polynomials 2x^2 + 4x and 4x^2 + 8x?

A. 2X