Why is the rand function useful for simulating games of chance?

Which of the following devices does NOT use a sound card to connect to a computer?

A) iPad B) Microphone C) Headphones D) Speakers

To group nonadjacent worksheet tabs:

A) right-click a worksheet tab and click Select All Sheets. B) click Group on the View tab. C) click the first worksheet tab, press and hold Ctrl, and then click each additional worksheet tab. D) click the first worksheet tab, press and hold Shift, and then click the last worksheet tab.