Respuesta :

The answer is B. 1/3


√5/√45 <— simply both terms by 5

= √1/√9 <— √5÷5 = 1 and √45 ÷ 5 = √9

= 1/√9

= 1/3



√1 = 1
(you can write 1 directly instead of √1)

√9 = 3