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OpenStudy (anonymous):
19. Tell whether the lines for each pair of equations are parallel, perpendicular, or neither. y=-2x+4 -5x+10y=5 (1 point) A. parallel B. perpendicular C. neither 20. y=(-1/4)x+8 -2x+8y=4 (1 point) A. parallel B. perpendicular C. neither
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OpenStudy (elonasushchik):
We r not here to give answers but explain.
OpenStudy (anonymous):
graph them and find out
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