Coach miller is having a cookout at the park for his baseball team. coach bought 5.15 of ground beef to make burgers. the cost of ground beef is $3.40 per pound . what was the total cost for all the ground beef? show your work

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?