Giving 30 points to who answers

Which of the fallowing best completes the sequence 5,10,15, a) 30 b) 22 c)25 d)35

Solve the equation 3x2 + 19x + 9 = 0 to the nearest tenth.

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