Isaac's office had already recycled 4 kilograms this year before starting the new recycling plan, and the new plan will have the office recycling 12 kilograms of paper each week. How many weeks will it take Isaac's Office to recycle a total of 40 Kilograms Of Paper?

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.