Please help me this question and give me the explanation clearly

(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

You earn a 12% commission for every car you sell. how much is your commission if you sell a $23,000 car?

0if x and y vary inversely and y=6 as x=7, what is the constant of variation?