What's the constant term that completes y squared +.1y?

Which expression shows the sum of the polynomials with like terms grouped together

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?

Describe a situation where it would be beneficial to round decimals to the nearest dollar. explain why you would use rounding in that situation.