Geometry i need ! im !

what are the coordinates of the image of vertex r after a reflection across the y-axis?

a.(–4, 3)
b.(4, –3)
c.(–3, –4)
d.(3, 4)

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