Asequence of transformations maps ∆abc to ∆a′b′c′. the sequence of transformations that maps ∆abc to ∆a′b′c′ is a reflection across the y-axis x-axis line y = x line y = -x followed by a translation 4 units to the right and 10 units up 8 units to the right and 4 units up 10 units to the right and 2 units up 10 units to the right and 4 units up