Given:
V = 5x² + 15x + 2, the volume
h = 5x, the height
Let A = the area of the base.
Because V = Ah, therefore
A*(5x) = 5x² + 15x + 2

Answer:
27 in³
the volume of a cube = (length of side )³ = 3³ = 27 in³
By definition of conditional probability,

Similarly,
