Riddle!!!

How many bricks does it take to complete a building made of brick?

 

One. The last brick you lay completes the buiding?

 

Yep! Next:

The maker doesn't want it; the buyer doesn't use it; and the user doesn't see it. What is it?

 

Coffin!

 

Ugh! Yes! Geez, LoL. Okay, how 'bout this one:

Good at math? Try this one....
1=3
2=3
3=5
4=4
5=4
6=3
7=5
8=5
9=4
10=3
So what does
11=?
12=?