# What number do i need to dial to withhold my telephone number on a BT line.?

its 1571 and 1471 to see who called last

http://answers.yahoo.com/question/index?qid=20061222120916AAb8GrR

## How to Decide Which Number Is the Greatest on a Number Line?

A number line is a visual representation of a set of numbers in order from least to greatest. This type of visual aid can help students to better comprehend number values, as well as concepts such ...
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http://www.ehow.com/how_8490368_decide-number-greatest-number-line.html

## How to Use a Number Line?

This article would benefit from step-by-step photos. You can help wikiHow by adding photos to this article. Click here for instructions. Notice added on 2011-06-02.Need some help solving basic math...
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http://www.wikihow.com/Use-a-Number-Line

## How to Help With Number Line Fractions?

As students progress in their math classes, they will have to start applying basic concepts from one area to different areas of study. For example, they may need to apply their knowledge of fractio...
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http://www.ehow.com/how_8296690_number-line-fractions.html

## How to Use a Number Line to Find the Sum?

In math, a sum is the result of adding two numbers together. A number line can help your children visualize the process of adding. For example, rather than memorizing that "4 + 5 = 9," children can...
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http://www.ehow.com/how_8088786_use-number-line-sum.html