Let a and b be rational numbers. what is the difference between a and b

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?

    choose the correct definition for  extremo.  a.  end      b.  extra      c.  extract      d.  eventual 

Mis the midpoint of rq if rm equals 2x + 5 and mq equals 4x - 9 what is the length of rq