Plz, Help me with this question!

Plz, Help me with this question!

Which formula finds the probability that a point on the grid below will be in the blue area? p(blue) = total number of squares number of blue squares number of blue squares p(blue) = total number of squares number of blue squares p(blue) = number of white squares

Ab based on the given diagram, if m_1 = 60° then m 2 = 30 60 90 180

Julia bought 7 hats a week later half of all her hats were destroyed in a fire. there are now only 12 hats left with how many did she start