<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
Answer:
8
Step-by-step explanation:
50/5.95
Answer:
6(d+9)
Step-by-step explanation:
learn algebraic language
2y=2_8
2y=_6
Divide both sides by 2 so that y can stand alone
Therefore y=_3
