The standard error of the mean is 128.125.
The formula for standard error is:

With our information, we have:
Answer: -28
Step-by-step explanation:
This is a vertical parabola, because (x-1)².
Vertex of the parabola (1,1).
So line symmetry is x=1.
Answer:
<h3>-<u>Aubrey first applied division of like bases by subtracting the exponents.</u></h3><h3>
-<u>
Next David will apply the quotient of powers.</u></h3><h3><u>
-Aubrey's work is correct .</u></h3><h3><u>
-The correct simplified answer is x^24/64y^15</u></h3>