Please help me I would be really grateful :D

If f(x) = 2x + 8 and g(x) = x4, what is (gº)?

Charlie tosses five coins.what is the probability that all five coins will land tails up.

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.