Need help really bad:(

In the figure shown below, m < 40 and ab =8. which equation could be used to find x?

What is a graph with a never ending line called?

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?