Answer:

Step-by-step explanation:

Divide both sides by 7:

Subtract 4 from both sides:

<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
It represents the ounces of water that the bottle can still hold.
Between "my" age and "my" step sisters' age there is 7 years, the range is 7 years
Hope this helps
-GoldenWolfX
Answer:
The answer is B. 4cm
Step-by-step explanation:
Since it is the midpoint AC is always going to be the same as CB if C is the midpoint.
:)