When you no longer need a shape or any other object in a worksheet, you can delete it. First, click the object to select it. Then press the ____ key.

To add additional memory without adding RAM, you could use:

A) disk defragmentation B) Cleanup C) ReadyBoost D) Windows Update

____ converts or extends a flat object into a 3D object with a cross-sectional profile.

A. Outlining B. Annotation C. Extrusion D. Rasterizing