I’m gonna die help Plz answer I asked this question for 2 hours answer now plz

What is the axis of symmetry of f(x) = -x^2 4x + 12

axis of symmetry is x = 2

how did you get your answer show work

x = -b/2a = (answer)

show work for the answer 2 which is the axis of symmetry

plz help answer if u know only
if u dont know dont asnwer dont answer for poins or i will report if do

The ksp expression for the system pbcl2(s) pb+2(aq) + 2 cl-(aq) is: [pbc12][pb+2][2cl-] [pb+2][cl-]2 [pb+2][2cl-]2 [pbcl2][pb+2][cl-]2 [pb+2][2cl-]2[pbcl2]

Could somebody me with this radical simplification?

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.