Solving Problems with Volume Formulas Practice Test

An ice cream cone is a right circular cone with radius $4\text{ cm}$ and height $9\text{ cm}$. Which expression represents the volume of the cone?

A cylindrical candle (radius $3\text{ cm}$, height $14\text{ cm}$) has a conical hole drilled straight down from the top. The hole is a cone with the same radius $3\text{ cm}$ and depth (height) $6\text{ cm}$. Which value represents the total volume of wax remaining?