If segment yz bisects the angle AYX then triangle yxz is congruent to yaz

It says factor each expression completely 8y+48

Ab based on the given diagram, if m_1 = 60° then m 2 = 30 60 90 180

Atriangle in the coordinates of (2,3), (-4,5) and (-2,4) it is translated 3 units down. what are it’s new coordinates