TY  - BOOK
AU  - Baratto Steffan. 
AU  - Bergman Barry
AU  - Hutchison Donald
TI  - Prealgebra: Media Enhanced Edition
SN  - 978007340623
AV  -  QA 152.3 .H877 2010 
PY  - 2010///
CY  - Boston.
PB  - McGraw-Hill
KW  - Algebra
KW  - Equations
ER  -