16.8 + fix some formatting

site/posts/multivariable-exam-1-review.html

@@ -124,7 +124,7 @@ Cross products have a set of useful properties too:
         Simplify: <1, 1, 1>t + <1, 1, 2>s = <2, 2, 0>.
     </li>
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-        This can now be converted into an augmented matrix multiple of [t, s, 1]! <br>
+        This can now be converted into an augmented matrix multiple of `\[t, s, 1]`! <br>
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                 <td>1</td>
@@ -233,7 +233,7 @@ Cross products have a set of useful properties too:
 </p>
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     <li>
-        `l'(t) = [3, 4, 0]`
+        `l'(t) = \[3, 4, 0]`
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     <li>
         `||l'(t)|| = sqrt(3^2 + 4^2 + 0^2) = 5`