How do you solve this absolute value equation

Acircle has a circumference of 2 pi cm. which statement about the circumference and area is true? a comparison of the area and circumference is not possible since the area cannot be determined. the numerical values of the circumference and area of the circle are equal. the numerical value of the circumference is greater than the numerical value of the area. the numerical value of the circumference is less than the numerical value of the area.

Write the fraction 9/50 as a decimal if needed round to the nearest hundredth

Cd is the perpendicular bisector of both xy and st, and cy=20. find xy.