How to calculate a weighted average in excel?

Amanda needs to create an informative print brochure for her local library’s fundraiser dinner. what critical detail must she have before she starts designing the brochure?

Which company provides a crowdsourcing platform for corporate research and development? a: mtruk b: wiki answers c: mediawiki d: innocentive

Afiling system in which an intermediary source of reference, such as a file card, must be consulted to locate specific files is called a(n) system. a. shelf filing b. direct filing c. indirect filing d. shingling