For the line perpendicular to y = 12, the slope is undefined because the denominator of the slope is 0. For the line parallel to y = 12, the slope would be 0 because it is a flat line, no slope.

A. x + 2y - 8 = 0
B. 2x + y - 8 = 0
C. 2x - y + 8 = 0