The m (angle sign) for 4 is 38. I hope i helped.
You were right, its the second choice CA=CB+BA
9801
99 is the greatest 2 digit number so if you do 99x99 you will get 9801
(x + 2)(x - 4)
= x^2 + 2x - 4x - 8
= x^2 - 2x - 8
Favourite starts fifth letter down farthest left column
Still working on the others
