Consider the graph for the equation y=-x+4. Which equation, when graphed with the given equation, will form a system that has one solution?

Which one Is it?
A. Y=x+4
B. Y=-x+4
C. Y=-x-8

Three baby penguins and their father were sitting on an iceberg 0.50.50, point, 5 meters above the surface of the water. the father dove down 4.74.74, point, 7 meters from the iceberg into the water to catch dinner for his kids. what is the father penguin's position relative to the surface of the water?