diff --git a/Grade 9/Math.md b/Grade 9/Math.md
index 5ca798c..4546c6d 100644
--- a/Grade 9/Math.md
+++ b/Grade 9/Math.md
@@ -43,7 +43,7 @@
>> ```W``` represents **Whole Numbers** (W = {x | x > 0, x ∈ Z})
>> ```N``` represents **Natural Numbers** (N = {x | x ≥ 0, x ∈ Z})
>> ```Z``` represents **Integers** (Z = {x | -∞ ≤ x ≤ ∞, x ∈ Z})
->> ```Q``` represents **Rational Numbers (Q = {a⁄b |a, b ∈ Z, b ≠ 0})
+>> ```Q``` represents **Rational Numbers** (Q = {a⁄b |a, b ∈ Z, b ≠ 0})
>> | Symbol | Meaning |
>> |:------:|:-------:|
@@ -306,7 +306,7 @@
>> |3D Object|Formula|Picture|
>> |:----|:------|:------|
>> |Rectangular Prism|```Volume```: lwh
```SA```: 2(lw+lh+wh)||
->> |Square Based Pyramid|```Volume```: 1⁄3b2h
```SA```: 2bs+b2||
+>> |Square Based Pyramid|```Volume```: 1⁄3b2h
```SA```: 2bs+b2||
>> |Sphere|```Volume```: 4⁄3πr3
```SA```: 4πr2||
>> |Cone|```Volume```: 1⁄3πr2h
```SA```: πrs+πr2||
>> |Cylinder|```Volume```: πr2h
```SA```: 2πr2+2πh||