To change the desktop background in Windows 8, right-click the mouse button to display a shortcut menu and select ________

Which of the following will change the expression above to search for the pattern "MINI" which must be all uppercase?

``` preg_match("/\b(car[[:alpha:]]+)\b/i", $string) ``` a. change "car" to "MINI" in the expression b. delete the "i" at the end of the expression c. add the character class [:upper:] to the expression d. do all of the above

The strength or purity of a color is called _____.

A. brightness B. hue C. saturation D. separation