Ten times 3

Can someone help me out with the last one

(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

The pyramid below was dissected by a horizontal plane which shape describes the pyramid horizontal cross section

Here is another math questions. i will keep asking different questions. 4^2x=6