Which two lines are parallel? Please help

Answer:
a. II and III
Step-by-step explanation:
When you simplify each of the equations you end up with the following:
I. y = (2/5)x -1
II. y = (3/5)x + (4/5)
III. y = (3/5)x - 1
Equations II and III have the same slope, therefore they are parallel lines.