The answer is 8 because for this question all you need to do is add 5 and 3
It depends how you want to solve it
you can plug it in on a calculator and It will show you how the equation looks on a graph( need graphing calculator).
Base times height equals area of a parallelogram
The answer is B 1 =52 2=66
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 