<p>1) Well, the admissions office sometimes makes mistakes…
2) EE
3) Take advantage of all your opportunities! Oh man…don’t do what I did, and sit semi-idly just since there weren’t screaming opportunities beyond the HS curriculum placed before my face. If there really aren’t any…make some…or learn something…do something useful with your time 
haha. </p>
<p>I guess those don’t really apply to writing applications, but probably developing yourself is more important than developing any application.</p>