The standards most central to the operation of the web A. TCP and ICP

B. URL and XML

C. HTML and HTTP

D. Internet and WWW.

$1 trillion in certificates of deposit $1 trillion in currency

A) to automatically add all numbers in all cells in a workbook

The answer is  c. 1, 1, 1.b89 is an absolute reference. there are no dollar signs indicating relativity.p$90 is a mixed reference. the p column is absolute, but the row is relative as indicated by the dollar sign in front of the row number. it's a mix of absolute and relative.$d$34 is a relative reference. both the column and the rows have dollar signs in front of them, so the entire thing is relative.there's only one of each.