#38: the integers below represent the monthly gains and losses in the value of an investment over one year. find the mean of the integers: -$190, $75, -$65, $100, $72, -$54, -$62, -$87, $92, $81, -$73, $63

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.