20 because for all regular polygons their exterior angles add up to 360, so 360\18 =20
3·m - 2/3 - 2·m + 1/4 = 2/12
m - 2/3 + 1/4 = 2/12
m = 2/12 - 3/12 + 8/12
m = 7/12
Answer:
0/8
Step-by-step explanation: i tried my best
5578/68=82.029411764705882352941176470588
that would be rounded to 82.02 which is the answer
