This document is part of a

w-2 form
w-4 form
1040 form
tax return

W-2 Form

Explanation:

This document is part of a W-2 form. The W-2 form is filed by employers who are engaged in remuneration for services performed by an employee. This is the case as long as income, social security or Medicare tax was withheld from the employee. This page in particular shows a personal allowances worksheet.

answer; ///attempts to change more than once behavior at the same time;

this would be b. giving reasons for a belief