document.write( "Question 813381: point Q,R,S lie on XZ in such a way that Q is the midpoint of XZ, R is the midpoint of XQ and S is the midpoint of QZ. if QS=4, what is the length of RZ? \n" ); document.write( "
Algebra.Com's Answer #489627 by richwmiller(17219)\"\" \"About 
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qs=4 so sz=4
\n" ); document.write( "and rq=4
\n" ); document.write( "3*4=12
\n" ); document.write( "rz=12
\n" ); document.write( "
\n" );