How many sets of color values for the pixels under the pointer are displayed when you work with a color adjustment dialog box?

'Merge visible' compresses all unhidden layers into a single layer.

How many speeds does the Playback Options command give you, so that you can watch each command as it is carried out?

It is possible to drag italicized commands from the History palette to the Actions palette.

What does 'Rubber stamp tool' let you do?

With the 'Magnetic lasso tool', the border snaps to the edges of defined areas in the image.

Can you retrieve changes you made to your image while editing?

What does feathering do to a selection?

Which one is NOT an available type tool choice?

Tool to select a color from anywhere in an image?

How do you make the grid visible?