I need help someone please

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?

An equation in slope-intersept form the lines that passes thought (-8,1) and is perpindicular to the y=2x-17.

Change negative exponents to positive. then solve. round to four decimal places