The _______________ style is a classic news writing style that places a summary first, followed by details, and then any background information

The ____________________ function can be used to specify the number of decimal places to be displayed for values and formulas.

Fill in the blank(s) with the appropriate word(s).

? In the node tree shown in the accompanying figure, "portfolio" is a _____ node of "author."

A. ?parent B. ?child C. ?sibling D. ?descendant