Answer:
I think its the last one because the problem is not air pollution related
-5 Stars
He would have to not give them energy drings and give the other half energy drings to see how they improve.
A. |11/8+2/3| (this is because the rest of the answers are either adding or subtracting two different absolute values)
Given:
The equation is:

To find:
The solution for the given equation.
Solution:
We have,

It can be written as:



Taking square root on both sides, we get
[Radius cannot be negative]


Therefore, the value of r is about 6.36 cm.