What's the least common multiple of 6, 12 and 30

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

Atemperature of 1.64◦f corresponds to answer in units of ◦c.

Provide all steps given to find the answer. simplify: 5(2x+9)²