Which lines, if any, can you conclude are parallel given that m∠1 + m∠2 = 180? justify your conclusion with a theorem or postulate.

Zachary has been trying to work on an essay for almost three hours, be he can't seem to focus for more than 15 or 20 minutes at a time. what should he do so that the quality of his work doesnt suffer because of poor concentration and lack of energy