Which of the following concepts is more reliable: theoretical probability, experimental probability, or simulations?

Which pair of lines is parallel? a. y=4x+1 and y+4=5 b. y=-2+x and 2y-2x=-2 c. y=1/4x + 2 and y-2=1/2x d. y=1/5x+1 and 5y+x= 10

The table respent two linear functions the equation respented by the first tables is given

Can someone me with this problem . show your work .