Determine the slope and the y intercept .6y+x=6 please help

Acity plans to build a new rectangular-shaped park. the perimeter of the park will be 940 meters. the width of the park will be 300 meters. what will be the length, in meters, of the new park?

The vet charges $45 for an office visit and $10 for each vaccination your dog needs. write an eaquation

Reflect the point (7,0) across the y-axis