Are the pairs of lines parallel, perpendicular , or intersecting? Choose the correct answers

y = -2/3x + 7
-2x -3y = 12

y - 6 = 1/4(x + 2)
y = -4x -10

2x - y = 7
3x - 4y = -8

The pair of lines 2x - y = 7 and 3x - 4y = -8 are intersecting.