ADV 6.2: WS#1 for 5/9/12 and Key

Here are the problems, circled ones are the problems assigned for today:


https://docs.google.com/open?id=0B3ujFVHRpTByQ0g3Y3ZiN3hoR0U

And the key

https://docs.google.com/open?id=0B3ujFVHRpTByNTFRX3hDVUVkelU