What is the volume of a cube with a side length of 3 units?

What is the volume of a rectangular prism with dimensions 4 units by 3 units by 5 units?

What is the volume of a rectangular prism that measures 7 units in length, 3 units in width, and 4 units in height?

What is the volume of a rectangular prism with a base area of 15 square units and a height of 5 units?

The volume of a pyramid is calculated by using one-third of the product of the base area and height. If a pyramid has a base area of 9 square units and a height of 6 units, what is its volume?