Algebra, Tutoring and Romance

Katara: Good girl, does her studies, enjoys math and have a good head on her shoulders. Zuko: Doesn't like math, enjoys history, dislikes tea and is rough around the edges. The two college students met by chance thanks to Suki and Katara's idea about starting tutoring sessions for the upcoming math final and both of their worlds is about to collide all thanks to algebra. AU