Does anyone know the answer. Need help

Which expression is equivalent to 5r6141 2r+st6

You work in a hospital that has 9 floors. you need to see 3 patients on each floor. how many patients do you need to see in all?

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.