Help please I don't get it!

Test Preparation
1

<p>Let A and B be given vectors in the plane R2. Find a formula for the closest point from A to the line along B.</p>

2

<p>BUMP… please help omg@!#@</p>

3

<p>bump please 56 views and no one~!~!!</p>

4

<p>Well people look because they think you need real help…and what they find is you want them to do your homework (or so it seems).</p>