The equation of a circle is given below.
$x^{2}+(y-7.5)^{2} = \dfrac{9}{49}$
** What is its center?**
$($[[☃ math-keypad 1]] $,$ [[☃ math-keypad 2]]$)$
** What is its radius?**
*If necessary, round your answer to two decimal places.*
[[☃ math-keypad 3]] units