Answer:
Step-by-step explanation:
Given
Volume of box 
Let b be the square base and h be the height of box
Volume 

Surface Area 


Differentiate A w.r.t b to get maxima/minima





![[tex]h=\frac{32,000}{40\times 40}](https://tex.z-dn.net/?f=%5Btex%5Dh%3D%5Cfrac%7B32%2C000%7D%7B40%5Ctimes%2040%7D)

Answer:

Step-by-step explanation:
There are only 2 solutions for none of the rooks can capture any of the other rooks: only if they are laid out in either of the 2 diagonal of the chess board
The number of possible combination for the rock to laid out in 8x8 (64 slots) chess board
possible combination
So the probability is pretty thin

Answer:
8
Step-by-step explanation:
836 to the nearest hundred is 800 because number under 50 of the last two digits we round it below. Same thing as above 50 we round it up.