The equation of line a is y = 5x + 15. line b is parallel to line a and passes through the point (2, 20). what would be the solution to the system of equations represented by line a and line b?

The line y = x + passes through (−3, 7) and is parallel to y = 4x − 1.

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Astudent draws two parabolas both parabolas cross the x axis at (-4,0) and (6,0) the y intercept of the first parabolas is (0,-12). the y intercept of the second parabola is (0,-24) what is the positive difference between the a values for the two functions that describe the parabolas