Answer:
(x-1)!
Step-by-step explanation:
lets say you want to sit x people around a table you would do x!. but since it doesn't count if you rotate the table you have to divide it by x, so the answer is x!/x = (x-1)!
The dimensions of the base of Box 1 are x by 3x.
The base area of Box 1 is:
3x^2