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Jules

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Patrick

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Jason

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Anatomy & Physiology

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Organic Chemistry

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Genetics

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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.

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Microbiology

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Cell Biology

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Analytical Chemistry

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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.

Business Calculus

From probability to hypothesis testing, statistics concepts are explained step-by-step to build problem-solving skills and exam readiness.

Introductory 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.

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Macroeconomics

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.

Medical Terminology

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 & Intermediate Algebra with step-by-step video tutorials and practice problems by world-class tutors

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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.

Introductory Biology

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Human Biology

Physics with Algebra

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

Algebra & 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

From logic and problem solving to ratios, finance, and statistics, quantitative reasoning concepts are explained step-by-step to build confidence applying mathematics to everyday situations, workplace contexts, and practical decision-making.

Quantitative Reasoning

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

Managerial Accounting

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

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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

From foundational arithmetic through advanced algebraic concepts, develop the skills to solve increasingly complex mathematical problems with comprehensive, step-by-step support.

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A 3.2 m long pipe with a radius of 12.7 mm is attached to a tank. The tank is filled with water at 25°C. Water flows through the pipe at different rates depending on the water height above the pipe in the tank. Calculate the greatest volume flow rate in m3/h at which the flow will be laminar.

A 3.2 m long pipe with a radius of 12.7 mm is attached to a tank. The tank is filled with water at 25°C. Water flows through the pipe at different rates depending on the water height above the pipe in the tank. Calculate the greatest volume flow rate in m³/h at which the flow will be laminar.