timers and "Physics C advantage" book

Test Preparation AP Test Preparation
1

<p>are timers allowed on ap tests?</p>

<p>and has anyone used this?</p>

<p><a href=“http://silenttimer.com/testhome/other.php?test=AP%20Test[/url]”>http://silenttimer.com/testhome/other.php?test=AP%20Test&lt;/a&gt;&lt;/p&gt;

<p>and how is the Physics C advantage book vs. PR</p>

<p><a href=“http://ec1.images-amazon.com/images/P/1413804926.01._SS500_SCLZZZZZZZ_.jpg[/url]”>http://ec1.images-amazon.com/images/P/1413804926.01._SS500_SCLZZZZZZZ_.jpg&lt;/a&gt;&lt;/p&gt;