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Dive deep into Beginning Algebra with videos, practice problems, and more.

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Dive deep into Python with videos and more.

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Mariya Breyther

Introduction to Microsoft Power BI

Microsoft Power BI

Chris Sorensen

Data Analysis Fundamentals with Excel

Data Analysis - Excel

Chris Sorensen & Ammul Shergill

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George Levy

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Lee Donahoe & Michael Hartl

Learn Enough JavaScript to be Dangerous: A Tutorial Introduction to Programming with JavaScript

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Michael Hartl

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Find the magnitude and direction angle of the vector a given below. Express your answer to one decimal place.a=(31i−17j)−(25i−17j)a=(31i-17j)-(25i-17j)a=(31i−17j)−(25i−17j)

Find the magnitude and direction angle of the vector a given below. Express your answer to one decimal place.
$a=(31i-17j)-(25i-17j)$