need help on level 17!?!

[stupidsucks]

I have tried this now 5 times in a row, and come within 100pts each time. I cant figure out what I can do differently. I kill 5 enemies, take 5 rounds, and my time is about 6:50 every time. Help please.

[stupidsucks]

nevermind on try 20 I got it. all i had to do was kill one more guy.