If f(x)=x+5, what is f-'(x)?

Find the number of positive three-digit even integers whose digits are among 9, 8, 7,5, 3, and 1.

Find the interior angle of a regular polygon which has 6 sides

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.