Дайте ответы на вопросы. Как правильно ответить?

What is your friends name?
Now old is he/she?
Where is he/she from?
Does he/she live in a house or a flat?
When is his/her birthday?
What is his/her favourite subject?

His name is Ben. He is 15 years old. He is from Russia. He lives in a flat. He was born on the 8th of april. His favourrite subject is Maths.

1)my friends name is Katy2)she is ten3)she from is Russia 4)she live a house