Select all the expressions that are solutions to -2.7 + x = -3.5. a. -3.5 + 2.7
b. 3.5 − 2.7
c. -3.5 − (-2.7)
d. -3.5 − 2.7

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?