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The equation of a circle is $\newline$$(x+3)^{2}+(y-4)^{2}=49$. What are the center and radius of the circle?$\newline$Choose $1$ answer:$\newline$A The center is $\newline$$(3,4)$ and the radius is $7$.$\newline$B The center is $\newline$$(-3,4)$ and the radius is $7$.$\newline$(C) The center is $\newline$$(-3,-4)$ and the radius is $7$.$\newline$(D) The center is $\newline$$(-3,4)$ and the radius is $49$.