The answer to your question is -36
20 is the answer your welcome you will get it right don’t worry
Sorry, don't have time to do them right now but I know who does!
http://www.wolframalpha.com/widgets/view.jsp?id=ae438682ce61743f90d4693c497621b7
Just plug in 2 at a time.
TRUE are you in like first grade or something