Find the 15th team and the sum of the 26 terms of the series 21 12 13 9 5... Callular
authmeth mean at 11-15 and -23 unfind the 15th term and the sum of the first 26 terms of the series 21 17139 and 5 calculate there are the arithmetic mean of - 15 and - 23 ​

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?