Which expression represents the sixth term in the binomial expansion of (5y + 3)10?

Could someone me with this question i’ve been stuck on it for 20 minutes

Which of the following vectors are orthogonal to (2,1)? check all that apply

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.