1. find the sum. -5 + ( -1 ) + 6 + 4 a: 6 b: 4 c: 7 d: -4 2. add -10 + ( -5 ) + 15 a: 15 b: 0 c: 10 d: -10

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?