please solve

Find an expression for y, the x-coordinate of the centroid of the region bound by the curve x = 9 - v2 and the line x = 0. 3 M W O XI = , where My= (9 - y2)-dy and m= (9 - v2) dy m 2 J - 3 - 3 M 3 3 O 1 X = , where My= v(9 - v2) dy and m= (9 - v2) dy m 2 J - 3 - 3 3 O M 3 = , where My= v (9 - v2 ) dy and m= (9 - v2 ) dy m -3 - 3 None of these