In the Customize Columns dialog box, you can ________ new fields or rename existing fields

The event-planning document describes what processing must occur for each event as well as the manner in which to accomplish it.

Answer the following statement true (T) or false (F)

NP-complete problems

a. have no known solution b. have too many possibilities to solve c. must consider every possible solution to find the best one d. can be solved with a work- proportional-to-n algorithm