Do the Math by Wendy LichtmanISBN: 9780061229565
Publication Date: 2007-07-01
In the eighth grade, 1 math whiz 1 stolen test (x), 3 cheaters (y), and 2 best friends (z) who can't keep a secret. Oh, and she can't forget the winter dance (d)! Then there's the suspicious guy Tess's parents know, but that's a whole different problem. Can Tess find the solutions?