The ________ taskbar buttons allow you to start programs with one click

The command to delete all the files that have filenames that starts with letter C or c and ends with a letter Z or z is

a: rm all Cc Zz b rm [Aa]*[Zz] c: rm [A-a]*[Z-z] d: rm [Aa][Zz]* e: rm [Aa]?[Zz]

A worksheet _____ is the rectangle formed by the intersection of a column and row.

A. input B. cell C. field D. element