- 9p" alt="9p - 10q + 3 - 9p" align="absmiddle" class="latex-formula"> is a? Just tell me what kind of expression it is. Extra points if you answer it.
You wouldn't use, cm,m,km,kg,or anything like that.. you would use capacity.. (fancy word for liquid) So, for liquid you would use L, litres or gallons, or millilitres.