Write ONE system of equations that is clearly easiest to solve using the GRAPHING method, ONE that is clearly easiest to solve using the SUBSTITUTION method, and ONE that is clearly easiest to solve using the ELIMINATION method. PLEASE I NEED HELP ASAP!!!

Which statement explains how you could use coordinate geometry to prove that quadrilateral abcd is a parallelogram? -5 -4 -3 -2 -1 t 1 2 3 4 prove that all sides are congruent and have slopes that are opposite reciprocals prove that segments ad and ab are congruent and parallel prove that opposite sides are congruent and have equal slopes prove that segments bc and cd are congruent and parallel

You are cycling around europe with friends. a cycling festival is starting soon in barcelona. it will take 4.5 hours to cycle there. how many minutes in total is this?

What term makes it inconsistent y=2x - 4