What is the y ) y + (-20) = -16

In the diagram, points d and e are marked by drawing arcs of equal size centered at b such that the arcs intersect ba and bc. then, intersecting arcs of equal size are drawn centered at points d and e. point p is located at the intersection of these arcs. based on this construction, m , and m

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Can you divide 25 into 4 equal groups? explain why or why not.