An explanation of complementary events in probability including Determining Complements of an Event, The Complement Rule including a video [9 mins, 40 secs], Using the Complement Rule, Interpreting Results, Examples, Review, and Vocabulary.

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Principles of Macroeconomics 2e covers the scope and sequence of most introductory economics courses. The text includes many current examples, which are handled in a politically equitable way. The outcome is a balanced approach to the theory and application of economics concepts. The second edition has been thoroughly revised to increase clarity, update data and current event impacts, and incorporate the feedback from many reviewers and adopters. Changes made in Principles of Macroeconomics 2e are described in the preface and the transition guide to help instructors transition to the second edition. The first edition of Principles of Macroeconomics by OpenStax is available in web view here.

By the end of this section, you will be able to:

Identify factors that affect demand
Graph demand curves and demand shifts
Identify factors that affect supply
Graph supply curves and supply shifts

Download these worksheets to sharpen your subtraction skills. Sheets focus on single and multi-digit subtraction, subtracting across zeros and calculating complements, and subtracting in other base number systems.