shelley spends 12 hours helping with school events peter spends 6times as many hours helping as shelley what equation and solution helps find out how many more hours peter works than shelley

Can someone me out here number 4 plz

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?

What does the sign of the slope tell you about a line?