If Quadrilateral J K L M is congruent to quadrilateral C B D A, which pair of sides must be congruent?

If the scale factor between two circles is 2x/5y what is the ratio of their areas?

The distance of a chord from the centre of a circle is 12cm and the lenght of the chord is 10cm. find the radius of the circle

Ian is in training for a national hot dog eating contest on the 4th of july. on his first day of training, he eats 4 hot dogs. each day, he plans to eat 110% of the number of hot dogs he ate the previous day. write an explicit formula that could be used to find the number of hot dogs ian will eat on any particular day.