Uhh please help this is due in a few hours

f(4c)=8-5x

Marcus needs to rewrite f(x) = x2 + 6x + 4 in vertex form.

What is the ratio of the change in y-values to the change in x-values for this function? a) 1: 13 b) 2: 5 c) 5: 2 d) 13: 1

If the scale factor between two circles is 2x/5y what is the ratio of their areas?