你好吗？no need to say' 很'here.

Hi Isabella, We don't say "你很好吗"，that is not common. You can say:"你好吗？"or “你过得怎么样”？ Then your friend will answer:"我很好" ：）

yes,you are right

without 很, just 你 好 吗?

你做的怎么样？