I'm from Chicago in the USA
Where do you come from? Where are you from?
She lived in the USA for ten years
Correct! This refers to a finshed period of time - the person no longer lives in the USA
I go swimming every now and again
How often do you do sport? How often do you go swimming?
He's working as a computer technician until January
Where is he working just now/at the moment? What job is he doing? There are other possible answers
They studied sciences since September and have class every Tuesday afternoon
Wrong. They still study sciences (since...) so the answer should read:
They have studied sciences since September and have class every Tuesday afternoon
Have you ever prepared a bouillabaisse?
Right. This is an example of the present perfect for past experience
Also possible in the USA - Did you ever prepare a bouillabiasse? i