________ is a professional social networking site on which you post your professional profile and resume, connect with colleagues, and seek advice from experts.

Less than ________ percent of the world's population speaks English as a first or second language

Fill in the blank(s) with correct word

Modify the SOFTWARE CHANGES record, supplying changes to the SOFTWARE MASTER record. The modifications are as follows:

a. Add a [pk], for primary key, in front of the SOFTWARE INVENTORY NUMBER. b. Add the following elements: COMPUTER BRAND, COMPUTER MODEL, MEMORY REQUIRED, MONITOR REQUIRED, PRINTER REQUIRED, SITE LICENSE, and NUMBER OF COPIES.