Determine the angle A given the following information: a=9, b=12, c=15

Simplify 15(x - 4)(x -1)-3(x + 4)(x - 1) with steps

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?

W-16=-12 solve each one step equation plz