On a coordinated plane RS is translated 4 units up and 4 units to the right to create R'S'. Line r is drawn through R and R', and Line s is drawn through s and s'. which statement about lines r and s is true?
a. lines r and s are parallel
b. lines r and s are perpendicular
c. lines r and s have the same x-intercept
d. lines r and s have the same y-intercept