Stacy has 6 marbles in a bag: a red, an orange, a yellow, a blue, a green, and a white .she randomly picks 2 marbles out of the bag one at a time without replacement .what is the probability that she will first pick the orange marble and then pick the blue a) ) ) )

A3-dimensional figure has a square base and 4 lateral faces that meet at a point. explain the difference between the cross sections when a slice is made perpendicular to the base through the vertex, and when a slice is made perpendicular to the base and not through the vertex