Solve for the value of r.
(3r+5)
(8r-2)

Someone . me. compound probability

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?

Using elimination, what is -4x+2y=-12 4x+8y=-24