Identify the correct expression for the volume of a solid whose base is bounded by and the axis along , and whose cross-sections are rectangles perpendicular to the axis with a height three times the width.

Identify the correct expression for the volume of a solid whose base is bounded by and the axis along , and whose cross-sections are rectangles perpendicular to the axis with a height three times the width.

Find the volume of the solid whose base is bounded by and and whose cross-sections are rectangles of height and perpendicular to the axis.

Find the volume of the solid whose base is bounded by and and whose cross-sections are rectangles of height and perpendicular to the axis.

Identify the correct expression for the volume of a solid whose base is bounded by and and whose cross-sections are squares perpendicular to the axis.

Identify the correct expression for the volume of a solid whose base is bounded by and and whose cross-sections are squares perpendicular to the axis.

Identify the correct expression for the volume of a solid whose base is bounded by and along and whose cross-sections are squares perpendicular to the axis.

Identify the correct expression for the volume of a solid whose base is bounded by and along and whose cross-sections are squares perpendicular to the axis.

Identify the correct expression for the volume of a solid whose base is bounded by a disk of radius and whose cross-sections are squares parallel to the axis.

Identify the correct expression for the volume of a solid whose base is bounded by a disk of radius and whose cross-sections are squares parallel to the axis.