I need help on this :/

Ignore my answer I accidentally clicked it

Ineed to learn how to solve this problem

What is the exact volume of the cylinder (radius 13 in., height 30 in.)

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