Where can I find explanations to 10 reals?

<p>Does anyone know of a website that provides thorough answers for both the 2nd and 3rd editions? Any help would be GREATLY appreciated.</p>

<p><a href="http://www.studyhall.com/webpage2000/MainAnsSheet.html%5B/url%5D"&gt;http://www.studyhall.com/webpage2000/MainAnsSheet.html&lt;/a&gt;&lt;/p>