Question

Help me out with this so confused

Answer 1

The answer is 3.

Explanation:

A rational number means the number can be written as a fraction of two integers.
`5√(9)`=5*3=15, so it is the only rational number. The other answers cannot be written as a fraction of two integers.

Answer 2

The correct answer is 3.) 5 to the square root of 9. : )