Which rule best describes the composition of transformations that maps triangle abc to a"b'c"

For how answer my question this will be the last question can you answer in math subject

How can the correlation in the scatter plot graph below best be described? positive correlation negative correlation both positive and negative no correlation

Given: △acm, m∠c=90°, cp ⊥ am , ac: cm=3: 4, mp-ap=1. find am.