Holt algebra with trigonometry :  solution key. 

 - Austin :  Holt, Rinehart, and Winston,  c1992. 
 - 698 p. :  ill. ;  28 cm. 
<br/><br/><label>ISBN: </label>0030054389 
<br/><br/><label>LCCN: </label>93235214  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Algebra.<br/>Trigonometry.
<br/><br/><label>LC Class. No.: </label>QA152.2  / .H67 1992 
<br/><br/><label>Dewey Class. No.: </label>512/.13