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• #### Complex Fractions and Order of Operations - Problem 2

##### Math›Pre-Algebra›Fractions and MIxed Numbers
Evaluating a complicated expression with multiple parentheses and groupings
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• #### Introduction to Polynomials - Problem 1

##### Math›Algebra 2›Polynomials
How to write a polynomial in descending order.
• #### Common Algebra II Mistakes - Concept

How to avoid making an order of operation mistake.
• #### Combinations vs. Permutations - Concept

##### Math›Algebra 2›Combinatorics
How to know when to use combinations or permutations.
• #### Combinations vs. Permutations - Concept

##### Math›Precalculus›Topics in Discrete Math
How to know when to use combinations or permutations.
• #### Combinations vs. Permutations - Problem 1

##### Math›Algebra 2›Combinatorics
How to solve a problem involving both combinations and permutations
• #### Combinations vs. Permutations - Problem 1

##### Math›Precalculus›Topics in Discrete Math
How to solve a problem involving both combinations and permutations
• #### Simplifying Expressions and Combining Like Terms - Problem 7

##### Math›Algebra›Pre-Algebra
Combining like terms within fractions in order to simplify the fractions with the order of operations
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• #### Combinations - Concept

##### Math›Algebra 2›Combinatorics
How to find the number of combinations of a set.
• #### Range - Problem 1

##### Math›Algebra›Introduction to Statistics
How to find the range from a list of numbers that is in order from smallest to biggest.
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• #### Combinations - Concept

##### Math›Precalculus›Topics in Discrete Math
How to find the number of combinations of a set.
• #### Permutations - Problem 4

##### Math›Algebra 2›Combinatorics
How to calculate the number of different ways to line up objects when alternation is required.
• #### Introduction to Exponents - Problem 3

##### Math›Algebra›Exponents
Connecting evaluating with exponents to the order of operations and addressing common errors with exponents and negative signs.
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• #### Range - Problem 2

##### Math›Algebra›Introduction to Statistics
How to find the range from a list of numbers that is not in size order.
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• #### Classification Overview

##### Science›Biology›Classification
An overview of Biology classification systems.
• #### Introduction to Polynomials - Problem 2

##### Math›Algebra 2›Polynomials
Writing higher degree polynomials in standard form by writing the terms with exponents in decreasing order.
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• #### Introduction to Exponents - Problem 3

##### Math›Algebra 2›Exponents
Connecting evaluating with exponents to the order of operations and addressing common errors with exponents and negative signs.
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• #### The Identity Matrix - Concept

##### Math›Precalculus›Systems of Linear Equations and Matrices
How to determine the identity matrix of order n.