document.write( "Question 809653: what does it mean to find AB if A is 4 and B is 21? And how do you do this?? Thank youu. \n" ); document.write( "

Algebra.Com's Answer #487692 by TimothyLamb(4379) $\"\"$ $\"About$

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to find AB means to find the length or distance between points A and B on the number line, given that A=4 and B=21.
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\n" ); document.write( "Subtract A from B like so:
\n" ); document.write( "21 - 4 = 17
\n" ); document.write( "Answer:
\n" ); document.write( "AB = 17
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