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 tutored my younger siblings in mostly math and sciences. I also tutored friends in school. I have never been a paid tutor but I am very comfortable with Math and Science. Friends have always told me that I should tutor people because I was very helpful to them.