Answer:
50% chance because there is 2 sides heads and Tails so u have a 50% chance of heads and 50% chance of Tails
8 and 12 are separated by 1 line, and they have a difference of 4 units, so..
count every two lines and add 4 units
this means that the blue dot is 20
M5 is 58 degrees because the angle next to m1 is 58
C.
√8+3√2+√32=2√2+3√2+4√2=9√2