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Psychology

Hannah

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Microeconomics

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Anatomy & Physiology

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College Algebra

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Organic Chemistry

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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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Trigonometry

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Calculus

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Statistics

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Statistics for Business

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Biochemistry

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Macroeconomics

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Personal Health

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Nutrition

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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Beginning & Intermediate Algebra

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Analytical Chemistry

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Genetics

Kylia

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

Cell Biology

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

Precalculus

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Hydroiodic acid (HI) is a strong acid. Describe what occurs when it is dissolved in water.