diff --git a/Grade 9/Math.md b/Grade 9/Math.md
index c876c5c..f42ab0e 100644
--- a/Grade 9/Math.md
+++ b/Grade 9/Math.md
@@ -23,7 +23,7 @@
> |Part|Question|
> |:---|:-------|
> |A|9 multiple choice|
-> |B|10 Short Answer -->
- 7 Knowledge questions
- 30 Application Questions|
+> |B|10 Short Answer -->
- 7 Knowledge questions
- 3 Application Questions|
> |C|10 Open Response -->
- 10 Knowledge Questions
- 5 Application Questions
- 3 Thinking Questions
- 1 Communication Question|
# Essential Skills (1)
@@ -65,9 +65,9 @@
>> A notation that represents an interval as a pair of numbers.
>> The numbers in the interval represent the endpoint. E.g. **[x > 3, x ∈ R]**
>> ```|``` means ```such that```
->> ```E``` or ∈ means ```element of```
->> ```W``` represents **Whole Numbers** (W = {x | x > 0, x ∈ Z})
->> ```N``` represents **Natural Numbers** (N = {x | x ≥ 0, x ∈ Z})
+>> ```E``` or ∈ means ```element of```
+>> ```N``` represents **Natural Numbers** (N = {x | x > 0, x ∈ Z})
+>> ```W``` represents **Whole Numbers** (W = {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})
@@ -94,10 +94,11 @@
>> To Add / subtract rationals, find common denominator and then add / subtract numerator
>> To Multiply rationals, first reduce the fraction to their lowest terms, then multiply numerators and denominators
>> To Divide rationals, multiply them by the reciprocal
->> ### Example Simplify Fully:
->>> [Reduce to lowest terms]
->>> [Multiply by reciprocal]
+>> ### Example Simplify Fully:
+>>> [Reduce to lowest terms]
+
+>>> [Multiply by reciprocal]
>>>
@@ -106,9 +107,9 @@
>> ### Shortcut for multiplying fractions
>>> cross divide to keep your numbers small
>>> Example:
->>>
->>>
->>>
+>>>
+>>>
+>>>
>> ## Exponent Laws
@@ -163,7 +164,7 @@
# Polyomials (2)
> ## Introduction to Polynomials
>> A ```variable``` is a letter that represents one or more numbers
->> An ```algebraic expression``` is a combination of variables and constants ```(e.g. x+y+6 = 5)```
+>> An ```algebraic expression``` is a combination of variables and constants ```(e.g. x+y+6. y + 8)```
>> When a specific value is assigned to a variable in a algebraic expression, this is known as substitution.
> ## Methods to solve a polynomial
>> 1. ```Combine like terms```
@@ -408,7 +409,7 @@
>> ```Y-intercept Form```: **y = mx + b**
>> ```Point-slope Form```: **y2-y1 = m(x2-x1)**
>> The slope of a vertical lines is undefined
->> The sloope of a horizontal line is 0
+>> The slope of a horizontal line is 0
>> Parallel lines have the ```same slope```
>> Perpendicular slopes are negative reciprocals