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Review the concepts and calculations of mean, median, and mode, and practice with examples and exercises on Khan Academy, a free online learning platform.
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Dilations are a type of non-rigid transformation. They change the size of a shape by scaling it up or down, making it bigger or smaller. Unlike rigid transformations, dilations do not keep the shape's size the same.
Introduction to imaginary numbers, including the concept of 'i' and its role in complex numbers.
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Lesson 4: Dividing fractions and whole numbers. Dividing a fraction by a whole number. Divide fractions by whole numbers. Meaning of the reciprocal. Dividing a whole number by a fraction. Dividing a whole number by a fraction with reciprocal.
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When I was practicing limits, the answer to one of the questions was -∞. Does this mean ¨negative infinity¨?
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