In the diagram, point $Q$ is the midpoint of $P R$. The coordinates of $R$ are
(A) $(2,5)$
(B) $(7,11)$
(C) $(6,9)$
(D) $(8,10)$
(E) $(9,15)$

![](https://cdn.mathpix.com/cropped/2024_04_20_ac36362783317e0251fdg-044.jpg?height=396&width=464&top_left_y=1775&top_left_x=1210)