If x > y and y > z, which of the following represents the greatest number R?  Pick
A) x − z	B) x − y	C) y − x	D) z − y	E) z − x
Because x&gt;y&gt;z   thus R=x- z wil lbe greatest   x − zns: x − z
<result>A</result>
If x > y and y > z, which of the following represents the greatest number R?