Which table of data represents a proportional relationship? X Y
20 30
40 50
80 70

X Y
8 2
8 4
8 6

X Y
100 10
125 20
175 30

X Y
3 48
5 80
6 96

Shape a is congruent to shape , as shown by a reflection across the y-axis and then a translation down units. shape b is congruent to shape , as shown by a reflection across the y-axis and then a translation down units.