Can someone me describe this transformation (×,y) (7/5×,7/5y)

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

Upstream: 1.04 = x – y downstream: 2.08 = x + y aro can paddle at a speed of miles per hour. the river’s speed is miles per hour.

Marking brainliest! def undergoes a dilation, with a scale factor of 4, to form d'e'f. side d'e'is 4 times the length of side de. what is the area of d'e'f', compared to the area of def?