Answer:
um 35....... i think. sorry if my answer is wrong.
I believe it was a rectangle I'm not sure test it out.
Note for probability, if it will never happen the P = 0. If it must happen P = 1.
So certain to happen:
C. P=1
You can do 12/12 8/8 10/10 3/3 and 2/2 all equal to 6/6 all in different ways.