Simplify (5x3− x + 14) − (3x2− 9x + 4). a) 5x3− 3x2+ 8x + 10 b) 2x2+ 8x + 10 c) 5x3− 3x2− 10x + 18 d) 2x2− 10x + 18

Will give the box plots below show the math scores of students in two different classes: class a 55 72 75 89 95 class b 55 70 75 94 100 based on the box plots, which statement is correct? a: the median score of class a is greater than the median score of class b. b: the lower quartile of class a is greater than the lower quartile of class b. c: the upper quartile of class a is greater than the upper quartile of class b. d: the maximum score of class a is greater than the maximum score of class b.