How does a reflection across the y-axis change the coordinates of a shape?

Asquare parking lot has 6,400 square meters what is the length in meters

Pls will give brainliest and all p.s u can zoom in if u cant see plss

Ineed your ! i was to turn this into pond first thing i gotta do is outline the inside with this plastic how big should i cut the plastic the height: 10 1/2” the length: 40” the width: 12” me !