<p>i dont know how to do some of the questions in blue book
plZZ help me</p>
<p>pg.672 #12 & 20</p>
<p>pg.656 #12,18 </p>
<p>i'm really appreciate it if you guys help me</p>
<p>i dont know how to do some of the questions in blue book
plZZ help me</p>
<p>pg.672 #12 & 20</p>
<p>pg.656 #12,18 </p>
<p>i'm really appreciate it if you guys help me</p>