Card Verification Code can be found on the back of the card, usually
within the signature panel.
can be found on the front of your card, just above the
number on the right side.
I have had a variety of opportunities to teach middle school, high school, and college aged students in math, statistics, and chemistry, as well as provided music lessons in clarinet and saxophone performance and general music theory. I have also done some brief tutoring in SAT and GRE studying.