Using the quadratic formula to solve 7x2 - x = 7, what are the values of x?

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

The equation respenting the left table is

Create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1.