Please specify what the colors mean
(5,9) because vertex form is (x-h)^2+k and the vertex is (h,k) so it would be (5,9)
9^2 • 9^6 = 9^(2 + 6) = 9^8
12/18
6/9
2/3
Simply in common factor you know and keep doing it
12/18
BCD:6
2/3
1/10 = .1, and 3/33 = .0909090... it is equivalent if you estimate.