If there are 21 students in class today how much would it cost for the class and your teacher to ride the sandia aerial tram? rates $25 adults $20 seniors 62+ & teens 13-20 yrs $15 youth 5-12 yrs Please help due soon :(

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?