Can you arrange four 9's and use at most 2 math symbols, to make the total 100?

Five thieves looted a bank and they ran away in a car. The bank staff informed the police and they began the search of their car in their jeep. They found them on a road and chased them eventually catching them. The light that is used to fill the number plate was broken on the thieves' car. Also, the headlights of the jeep police were not working. How were the police able to catch the thieves then?

There is a place where if I stand up straight, I will still be considered sideways.

Double it and multiply it by 4. Then divide it by 8 and you’ll have it once more. What number is it?

I am under you when I am whole.
I shift above you if you remove the first letter.
I come all around you if you remove the second as well.

Can you tell me who I am?

I am a three digit number.
My tens digit is five more than my ones digit.
My hundreds digit is eight less than my tens digit.
What number am I?

I am beautiful, up in the sky. I am magical, yet I cannot fly. To people I bring luck, and to some people, riches. The boy at my end does whatever he wishes. What am I?

I am looking for a word that change both gender and number when i add the letter 'S'.

What Word am I Looking For ?

If you’ve got me, you want to share me; if you share me, you haven’t kept me. What am I?

I have teeth but i don't bite. Who Am I ?