Buy 2 for$ 24.99 depends on what your getting
What do you mean by this question?
Gravity simply does not allow that
First is 7 second is 8 third is 3
A^2+b^2=c^2 so c^2=12^2+16^2 which then simplifies to c^2=144+256 then simplify that to c^2=400. After that take the square root of c^2 and the square root of 400. So your answer is c=20