Schaum's Outline of Precalculus, Fourth Edition is packed hundreds of examples, solved problems, and practice exercises to test your skills. This updated guide approaches the subject in a more concise, ordered manner than most standard texts, which are often filled with extraneous material. Schaum's Outline of Precalculus, Fourth Edition features: • 738 fully-solved problems • 30 problem-solving videos • The latest course scope and sequences,...

Barrons newest edition of TOEFL iBT has been fully updated to reflect the new TOEFL format and provides flexible study options and key skills review to help you study what you need to know for the test. Youll also get 8 full-length practice tests, 8 one-hour practice tests, four video lessons, online PowerPoint presentations, and online audio files for all the practice to help you feel prepared on test day.

Supplies sample questions from the test for becoming a naturalized citizen, and surveys the information about American history and government covered by the exam.

Learn how to read and speak English with this easy-to-use workbook. Dozens of manageable, bite-sized lessons take you through the basics of the English language. Three-page units cover each subject, which can be completed in just 20 minutes. Each lesson covers a single grammar concept and is supported by many clear examples. The book includes tons of exercises help you practice your new language skills. Plus, you'll also have access to streaming audio...