I need help on my HW ASAP

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

If sec theta = 5/3 and the terminal point determined by theta is in quadrant 4, then

If f(x)=x+7 and g(x)=1/x what is (fog)(x)