Please help i will give an extra 40 if you do

Combined megan and kelly worked 60 hours.kelly worked twice as many hours as megan.how many hours did they each worked?

(if f(x)=4x^2 and g(x)=x+1, find (f o g)(x)

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