Posted by Haley on .
A box with a square base and an open top is to have a volume of 68in^3 . Neglect the thickness of the material used to make the box, and find the dimensions of the box that would minimize the amount of material used.
The width and length of the box are each ___ in.
The height of the box is ___ in.

calculus 
leesex,
6x9x9