Determine Whether The Pair Of Lines Is Parallel Perpendicular Or

Determine whether the pair of lines is parallel, perpendicular, or neither.
(a) y = 26 / 3 x – 11,
y = – 3 / 26 x – 11
(b) y = – 3x + 1,
y = – 1 / 3 + 1
(c) y = 2 / 5 x – 4,
y = – 2 / 5 x + 4

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