diff --git a/Index.html b/Index.html
index b2bbf22..f54c36e 100644
--- a/Index.html
+++ b/Index.html
@@ -129,6 +129,10 @@
 						<td><a href="worksheets/Worksheet08.pdf">Worksheet</a></td>
 						<td><a href="solutions/Worksheet08_Solutions.pdf">Solutions</a></td>
 					</tr>
+					<tr>
+						<td>Week 9</td>
+						<td><a href="worksheets/Worksheet09.pdf">Worksheet</a></td>
+					</tr>
 				</table>
 
 				<div class="card text-white bg-secondary mb-3">
diff --git a/worksheets/Worksheet09.pdf b/worksheets/Worksheet09.pdf
new file mode 100644
index 0000000..81a9179
Binary files /dev/null and b/worksheets/Worksheet09.pdf differ