Which best describes your ability to use a number line to graph, order, and compare real numbers? A. I can use a number line to graph, order, and compare real numbers. I can teach someone else how to do this as well. B. I can use a number line to graph, order, and compare real numbers. Once in a while I make a mistake. C. I can do some of these things, but not all of them. I make some mistakes. D. I am not able to work with number lines. I need help.