Which classification describes the following system of equations?

Given the box plot, will the mean or the median provide a better description of the center? box plot with min at 10.5, q1 at 11.5, median at 12.5, q3 at 13.5, max at 15

Determine whether the set of whole numbers is closed under addition. explain why the set is or is not closed. give an example.

Labc is reflected across x = 1 and y = -3. what are the coordinates of the reflection image of a after both reflections?