Determine which of the lines, if any, are parallel. Explain.
8. Line a passes through -1, 4 and 1, 5. 9. Line a: 6 y = -x + 12
Line b passes through -2, 7 and 0,4 . Line b: x = 6y + 5
Line c passes through 0, 4 and 2, 5.
Line c: -6 y + x = 5