Which of the following is not true?

A √
___
16 + 4 > √
__
4 + 5

B 3π > 9
C √
___
27 + 3 > __
17
2
D 5 – √
___
24 < 1

I can't make out what you mean. Try retyping formatting fractions as

a/b

and roots such as √24

Use parentheses as needed to make things clear