Bach  <br/><br/>
Prealgebra : mathematics for a variable world  
/ Daniel J. Bach, Patricia J. Leitner. 
 - 3rd ed.. 
 - Boston  McGraw-Hill  2006. 
 - xxii, 819p.  ill.(some col.)  28cm 
<br/><br/> Includes answer  Includes index p.AI1 - AI6 and I-1 - I-6 
<br/><br/><label>ISBN: </label>0072969105  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>513.14 BAC 2006