Can you help simplify the square root of 300

and can you help simplify the expression the square root of 40 + 9

Simplify the expression
the square root of 225

whats the square root of 32/8 ?

simplify the square roof to 72

simplify the expression the square root of 72-8

simplify the expression the square root of 75/3

thanks so much

1. square root of 225 is 15
2. square root of 32/8 is 2
3. square root of 72 is 6 root 2
4. square root of 72/8 is 3
5. square root of 75/3 is 5