Me 30 points + brainliest

1. simplify the following expressions. show work for each.
(3xy^3)(2x^3y)
and
(x^2+2x+3)(x^2-2x-4)

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.