You have been awarded a contract for wiring a new federal building. What twisted-pair wiring standard must you use?

To select every object on a slide, you press ________

A) Ctrl + S B) Ctrl + O C) Ctrl + E D) Ctrl + A

The ____ of two sets (A and B) is a set that contains all of the items in A and all of the items in B.

A. union B. intersection C. subset D. collection