On a number line, suppose the coordinate of A is 0, and AR = 20. What are the possible coordinates of the midpoint of AR?

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Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?

Acomposition of transformations maps δxyz to δx"y"z". the first transformation for this composition is , and the second transformation is a 90° rotation about point x'.