3x²+12x-15=0 factrozation method quadratic 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

Find the multiplicative inverse of 8-12i

How much dextrose 70% must be mixed with dextrose 5% to prepare 1,000 ml of dextrose 20%?