Answer:
I help engines spin and pants stay up. What am I?
First I may be your servant's name; then your desires I may proclaim; And when your mortal life is over hold all your wealth within my power.
I always follow you around, everywhere you go at night. I look very bright to people, but I can make the sun dark. What am I?
Adored by few, feared and hated by many. Mistress of the entire universal reason, master in the art of numbers. Some may have solved many of my mysteries, but there are still many of them to find. What am I?
What gets bigger the more you take away?
A little house full of meat, no door to go in and eat.