6/4 as a whole number or a mixed nimber

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

What is the best way to answer questions with a x expression in the question. for example 3x + 10x=?

Select the conic section that represents the equation. 3x2 + 3y2 -2x + 4 = 0