Will post C later: Transformations, Congruence, and Similarity

Answer:
Answer:
xz=cb = 45/60 = .75
zy=ab = 30/40 = .75
xy=ac = 37.5/50 = .75
Step-by-step explanation:
Step-by-step explanation:
all lines when put into ratio format show .75 scale factor big to little triangle side lengths.