Consider the data.
14, 11, 16, 11, 18, 19, 13, 20, 21
Two extra numbers 10 and 12, are added to the data set. Select the true statements once these extra numbers are added.


Which method is correct and why? Select the correct response.
Emily claims point (j,k) is a reflection of the point (-j,k) across the y-axis.
Select the statement about values of J that describe Emily's claim.