Which objects are luminous orange ball, some dogs, lamp, computer screen

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

Atransformation t : (x,y) (x-5,y +3) the image of a(2,-1) is

Which radical expression is a rational number? a. √ 360 b. √ 644 c. √ 225 d. √ 122