Hello,
The correct answer is 18.
Hope this helps!!
Brainliest?
Answer:

Step-by-step explanation:
x = Length and width of base
y = Height of box
Volume of the box is 

Surface area is given by

Differentiating with respect to x we get

Equating with 0 we get


at 

So the function is minimum at x = 16

The material required is

The minimum amount of material required is
.
Answer: 8√2
Explanation: Use the 45-45-90 theorem to solve.
45 45 90
s s s√2
8√2 8√2 8
Answer:
Mesopotamia
Step-by-step explanation:
The oldest clay tablets with mathematics date back over 4,000 years ago in Mesopotamia. The oldest written texts on mathematics are Egyptian papyruses.