To speed up item insertion and deletion in a data set, use ____.

A(n) ________ is an index entry that refers the reader to another topic that provides more information

A) AutoEntry B) Cross-reference C) Subentry D) Bookmark

A single algorithm that will calculate the greatest common divisor (gcd) of two integers and, if the gcd is 1, determine the inverse of one of the integers modulo the other, is the __________ algorithm.

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