Answer them pls

1.when did you started drawing?
2.where do you live?
3when is your B-day?
4.how long have you been using medibang paint?
5.do you know math?
6.if you know math solve this
3 3/4 - 5 6/7=
7.how old are you?
8.do you have a brother/sister/both?
9.what languages do you know?
10.do you like cat or dog?