Answer:
B is correct I hope this helps.
Answer:
The dimension of box=
Step-by-step explanation:
We are given that
Volume of box=4 cubic feet
Let x be the side of square base and h be the height of box
Volume of box=


Now, surface area of box,A=








Substitute x=2

Hence, the area of box is minimum at x=2
Therefore, side of square base,x=2 ft
Height of box,h=
Hence, the dimension of box=
Answer:
7-3√2/31
Step-by-step explanation:
Rationalise it and you'll get your answer.
Answer:
9
Step-by-step explanation:
36 divided by 4 is 9