Simplify the radical expression.
start root 405 end root
(1 point)
Responses
5 Start Root 9 End Root
9 Start Root 5 End Root
Negative 9 Start Root 5 End Root
45
1 answer
Start Root 9 End Root
start root 405 end root
(1 point)
Responses
5 Start Root 9 End Root
9 Start Root 5 End Root
Negative 9 Start Root 5 End Root
45
1 answer