Logic Riddles

Question: Connect all 9 of the dots using 4 straight lines or less. Do so without lifting the pen or tracing the same line more than once.

Question: A poor woman takes an expensive piece of jewelry, when she is caught the owner of the jewelry tells her "You can have this for seven figures or you will go to jail." The woman soon leaves with the jewelry.

How did she do this?

Question: What's higher than mountains, Smaller than trees?

Question: A wife shoots her husband, then hangs him. But the husband is still alive. How did they do it?

Question: What goes up but never goes down?