$\text { Find } ( \bar { x } , \bar { y } ) \text { for the lamina of uniform density } \rho \text { bounded by the graphs of the }$

Multiple Choice

$\text { Find } ( \bar { x } , \bar { y } ) \text { for the lamina of uniform density } \rho \text { bounded by the graphs of the }$ equations $x = 9 - y ^ { 2 }$ and $x = 0$ .

A) $( \bar { x } , \bar { y } ) = \left( 0 , \frac { 18 } { 5 } \right)$
B) $( \bar { x } , \bar { y } ) = \left( \frac { 18 } { 5 } , 0 \right)$
C) $( \bar { x } , \bar { y } ) = \left( 0 , \frac { 36 } { 5 } \right)$
D) $( \bar { x } , \bar { y } ) = \left( \frac { 6 } { 5 } , 0 \right)$
E) $( \bar { x } , \bar { y } ) = \left( \frac { 36 } { 5 } , 0 \right)$