Hey anyone wanna talk, I'm bored

(mc 02.03) what set of reflections and rotations would carry rectangle abcd onto itself? reflect over the y-axis, reflect over the x-axis, rotate 180° rotate 180°, reflect over the x-axis, reflect over the line y=x reflect over the x-axis, rotate 180°, reflect over the x-axis rotate 180, reflect over the y-axis, reflect over the line y=x

Ineed to know the answer to this algebra question.

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?