I need help i need step by step how to slove this plz

(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

If the value of cos330°is√3/2 then find cos 165°.

What is the name of a polygon that has four congruent sides and theses angle measures 60,120,60,120?