Impact mathematics :  algebra and more, course 3 / 
developed by Education Development Center, Inc. 
 - Second edition. 
 - viii, 698 pages :  illustrations ;  28 cm. 
<br/><br/><label>ISBN: </label>9780078609299  Hadiah 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Algebra--Study and teaching (Middle school).<br/>Mathematics--Study and teaching (Middle school).