<h3>
<u>Explanation</u></h3>
- Given the system of equations.

- Substitute x = 4 in the first equation.

We have both x and y values. Therefore, we can answer in coordinate point form.
<h3>
<u>Answer</u></h3>
<u>
</u>
19? Lol........................
This sample size it too small. The larger the sample size, the more likely the data will be true to what the question is asking. A larger sample size brings more precision to the question that is being asked.