Which of the following could be an equation for this line?

(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 with this problem 21 show steps

If each bricks costs and he can only buy one brick how much will it cost him to get the material to put around the outside of his garden?