re: girl in one of my classes wants my notes

Email, huh?

When is the test? If it's the next class or a few classes later, just feign ignorance that you washed the email address accidentially the next time you see her.

Follow it up with.. If I had your number, I would have called you. Since you wouldn't have left your phone in your pocket to get laundered.

If she's reluctant to give you her number, don't give her shite.