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Jason

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Having trouble with equations, functions, or graphing? Algebra concepts are explained clearly to help solve problems faster and prepare for quizzes and exams.

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Organic Chemistry

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From Punnett squares to gene expression and DNA replication, genetics concepts are explained clearly to make problem solving more straightforward.

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GOB Chemistry

New to chemistry? Atoms, elements, and reactions are broken down into simple steps to build a strong foundation for success in class and labs.

Introduction to Chemistry

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Microbiology

From membranes and organelles to signaling pathways, cell biology is explained clearly to connect structure and function with ease.

Cell Biology

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Analytical Chemistry

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Callie

Need a solid foundation before calculus? Precalculus concepts like functions, sequences, and limits are clarified to prepare you for success.

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Want to apply calculus to real-world business problems? Rates, optimization, and economic models are explained in simple terms for practical use.

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Statistics

Struggling with data analysis, probability, or regression? Statistics is connected to real-world business decisions to make concepts easier to apply.

Statistics for Business

From proteins and enzymes to metabolism and pathways, biochemistry concepts are connected across chemistry and biology for deeper understanding.

Biochemistry

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Learn topics such as nutrition, physical activity, mental health, stress management and healthy lifestyle choices.

Personal Health

From macronutrients and vitamins to metabolism and diet planning, nutrition concepts are explained clearly and connected to real-life examples.

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Learn how medical terms are built and what they mean by breaking them into simple parts. This course helps you understand and use the language of healthcare with confidence.

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Explore how human societies are organized, how social relationships shape behavior, and how cultural, economic, and political forces influence everyday life.

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Learn the toughest concepts covered in Beginning Algebra with step-by-step video tutorials and practice problems by world-class tutors 

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Learn the toughest concepts covered in Intermediate Algebra with step-by-step video tutorials and practice problems by world-class tutors 

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Learn the toughest concepts covered in Beginning & Intermediate Algebra with step-by-step video tutorials and practice problems by world-class tutors

Beginning & Intermediate Algebra

Confused by cells, genetics, or how life works? Explore the building blocks of biology with simple, engaging explanations that turn complex science into concepts you'll actually understand.

Introduction to Biology

Curious about how your body works? Dive into human biology with clear, approachable lessons that break down anatomy, physiology, and everything that keeps you alive and thriving.

Human Biology

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Need a solid foundation before calculus? Algebra and Trigonometry concepts like functions and sequences are clarified to prepare you for success.

Algebra and Trigonometry

From logic and problem solving to voting systems, personal finance, and statistics, liberal arts math topics are explained step-by-step to build confidence with real-world mathematical thinking and strong preparation for quizzes and exams.

Liberal Arts Math

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Quantitative Reasoning

Learn the type of accounting that focuses on providing financial information to internal stakeholders within an organization

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Tyler

Learn the guidelines that govern how financial transactions are recorded and reported

Principles of Accounting

From whole numbers and integers to equations and graphing, develop a strong understanding of foundational math concepts with clear, step-by-step support every step of the way.

Prealgebra

Master the fundamentals of algebra as you solve equations, analyze patterns, and work with mathematical relationships through guided, step-by-step instruction.

Prealgebra & Beginning Algebra

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In this Python course you will learn how to : think like a programmer, solve mini practice problems in Python and build three small games. 
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In this course you will learn why Agile product and projects management form the foundation of a successful business. You will master the skills of incremental delivery of products that delight customers, and the ability to validate product hypotheses.

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In this Introduction to Microsoft Power BI course, you will learn how to : import and transform data in Power Query Editor , build a data model that supports self-service analysis and develop reports and visualizations using the Power BI Desktop. 

Microsoft Power BI

In this Data Analysis Fundamentals with Excel course you will learn end-to-end solution for collecting, cleaning, importing, managing, and sharing data for operational and reporting purposes using Excel.

Data Analysis with Excel

In this course you will learn what blockchain and cryptocurrency are, how they work, and how these technologies are being applied. The course explains what smart contracts are and how they work, the rise of new funding mechanisms.

Blockchain and Cryptocurrency

In this course expert developer Lee Donahoe and renowned instructor Michael Hartl teach the specific concepts, skills, and approaches in HTML, CSS and Layouts you need to get the job done.

HTML, CSS and Layout

In this course you will learn the basics of JavaScript : write programs, publish packages, and develop interactive websites with JavaScript. Instructor Michael Hartl teaches the concepts, skills, and approaches you need to know.


Introduction to JavaScript

In this R Programming course you will learn the most important parts of R - the statistical programming language, from the very basics to complex modeling. 

R Programming

In this course you will learn how to understand marketing analytics beyond advertising. You will learn how to reason about numbers and what questions you should ask analytics experts. 

Digital Marketing Analytics

In this course you will learn how to master modern project management! You will learn the most important elements in project management: organizing your project, developing project scope and risk assessments. 

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In this course you will learn what AI can do in the marketing world, how to recognize when it will work, what the process is to implement it, and who you need to work with to succeed.

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Colleen Daly

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Rationalize and simplify: 2+74−37\(\frac{2+\sqrt7}{4-3\sqrt7}\)

Rationalize and simplify: $\frac{2 + \sqrt{7}}{4 - 3 \sqrt{7}}$