1.5.1 Find the (x, y) pair for the value of the parameter
x=2t and y=+7 fort=
(Simplify your answer. Type an ordered pair)

Which lines are parallel? justify your answer. lines p and q are parallel because same side interior angles are congruent. lines p and q are parallel because alternate exterior angles are congruent lines l and m are parallel because same side interior angles are supplementary lines l and m are parallel because alternate interior angles are supplementary.