Convert the following degree measure to radian measure. 150 degrees

(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

Percent increase and decrease. original number: 45 new number: 18

Could someone me with this question i’ve been stuck on it for 20 minutes