<h2>
Answer:</h2>
12
<h2>
Step-by-step explanation:</h2>
<u><em>The mean is also the average.</em></u>
Add up all the number of students all together:
12+13+14+9
48
Now, Divide the total amount of students (48) by the amount of numbers you added (in this case, 48/4 because we added 4 numbers wich are 12+13+14+9)
The average amount of students is 12
Y = 48 becuase you travelled the amount of minuets 45 x
Vas happenin!
The answer is
57 pi ft squared
Hope this helps
-Zayn Malik
First you should set up fractions equal to each other to see the size ratio
8/34 = x/1.2
As to make comparable fractions. Then you would cross multiply in order to get

Divide both sides by 34 and you should get an answer of 0.28m for the model beam.