Answer:
Your teacher can probably provide the correct answers once you have completed the Worksheet. The worksheet should tell you where to find the material in the question, or any practice examples.
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This educational program uses a workbook and worksheet to evaluate the student's comprehension of various levels of math. The worksheet is designed to be completed by the student with parental help, and then scored and discussed in class.
WikiAnswers does not provide answer keys to school programs.
The answers to all these questions are in your book. Studying is the tool, and learning is the goal.