The blue dot is at what value on the number line?

How many square feet of out door carpet will we need for this hole? 8ft 3ft 12ft 4ft

How to use order of operation in 20 divide by 4 multiply 5 = 1

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