On a worksheet, if numbers appear as the column headings, then the reference style for Excel is A1

____ incorporate practices that can be associated with a given level of performance.

A. Procedures B. Best practices C. Systems D. Processes

What is the value of s1 after the following code is executed?

``` var s1 = "deitel and associates" s1 = s1.slice( 6 ) ``` a) deitel b) deitel and asso c) and associates d) deitel and associates