Answer:
I contain six letters minus one and you got twelve.
In prison I'll be found. But I would never go to court Unless there's more than one
I have no voice but I can teach you all there is to know. I have spines and hinges but I am not a door. Once I've told you all, I cannot tell you more. What am I?
I wear a green jacket on the outside white jacket as a second layer and red jacket inside. I am pregnant with a lot of babies. (one word)
What kind of table can you eat?
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.