Respuesta :

timmyabc19

Answer:

b

and

7

Step-by-step explanation:

Answer:

19. D       20. 7

Step-by-step explanation:

19. [tex]\sqrt{39}[/tex] = 6.244997998

     d is the only one past 6 so it best represents the radical.

20. 7*7 = 49

     [tex]\sqrt{7*7} =7[/tex]

      [tex]\sqrt{49} =7[/tex]