Someone Please help me..What must the value of x be in order for the figures below to be similar?

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 

Write the equation in logarithmic form m^x=n