One function can be used as an argument in a second function

Excel's ________ function adds all of its arguments then divides the sum by the number of arguments

A) MEDIAN B) SUM C) COUNTIF D) AVERAGE

Consider the following statements:string str = "ABCDEFD";string::size_type position;After the statement position = str.find('D'); executes, the value of position is ____.

A. 3 B. 4 C. 6 D. 7