Hellpp for this too fast

Plot the points (0,6), (3,15.8), and (9.5,0) using the graphing tool, and find the function

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?

Angles r and s are complementary. the measure of angle r is 31 degrees. which equation can be used to find angle s?