Solve the equation (x-2)^2/3=9

The american academy of pediatrics wants to conduct a survey of recently graduated family practitioners to assess why they did not choose pediatrics for their specialization. provide a definition of the population, suggest a sampling frame, and indicate the appropriate sampling unit.

4+(2+x) can you me solve this problem

Two years ago a man was six times as old as his daughter. in 18 years he will be twice as old as his daughter. determine their present ages.