Please ASA Line segment JK measures 17cm. Segments JK was translated 4 units right and 8 units up for for J'K'. What is the measurement of segment J'K'?
A. 34cm
B. 12cm
C. 17cm
D. 8cm

Someone me! if you’re smart you can solve this!

To decrease an amount by 16% what single multiplier would you use

Set $r$ is a set of rectangles such that (1) only the grid points shown here are used as vertices, (2) all sides are vertical or horizontal and (3) no two rectangles in the set are congruent. if $r$ contains the maximum possible number of rectangles given these conditions, what fraction of the rectangles in set $r$ are squares? express your answer as a common fraction.