Joshua borrowed $500 on january 1 2017 and paid $25 in interest the bank charged him a service fee of $18 he paid it back on december 31 2017 what was the apr?

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?