Often times, several office programs are bundled as a unit known as an office:

The move(), turn(), and roll() messages ____.

A. can have no arguments B. require two arguments C. require one argument D. can have any number of arguments

What will be matched by the following ed regular expressions? (Tip: If you're using them in other contexts, you should omit the backslashes)

x* [0-9]\{3\} xx* [0-9]\{3,5\} x\{5,\} ^\... x\{10\} [A-Za-z_][A-Za-z_0-9]* [0-9]* ^Begin$ [0-9][0-9][0-9] ^\(.\).*\1$