Good Riddles

Question: There are 30 cows in a field and 28 chickens....how many didn't?

Question: A man is dressed in black , top hat is black, shirt and pants are black,shoes are black he is black *not to be racist* , and a driver comes by and stops at the last second before running into him even with the street lights turned off. How does the driver see him?

Question: The more i am present, the less you can see me. Who am i?

Question: If Teresa's daughter is my daughter's mother, then what am I to Teresa?

Question: I sizzle like bacon, I'm made with an egg.
I have plenty of backbone, but not a good leg.
I peel layers like an onion, but still remain whole.
I can be long like a flagpole, yet I fit in a hole.

What am I?