1. What is 3/5+3/5+3/5+3/5 equal to?

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?

Which linear inequality is represented by the graph?

How is this equation completed? i cannot find any examples in the book.