-square root 3 over 3
hope this helps.
A net is basically a flattened out 3D solid. If you fold all the sides up, you would end up with the 3D model.
The mean deviation of the ratings is 4.12
<em><u>Explanation</u></em>
The ratings of the ten experts are: 34, 35, 41, 28, 26, 29, 32, 36, 38 and 40
So, the mean of all ratings 
<u>The formula for Mean deviation</u>
, where
is the given data from
to
,
is the mean of the data and
is the total number of data. So.....

So, the Mean deviation 
I have no idea what the answer is to this question
-4x-24=8
So you move the -24 to the other side.
-4x=32
Divide both sides by -4.
x=-8