can someone please explain this to me? multiple choice TY

Which phrases can be used to represent the inequality? Check all that apply.
One-half + k greater-than 18
The sum of one-half and a number is more than eighteen.
The sum of one-half and a number is greater than eighteen.
The sum of one-half and a number is below eighteen.
The sum of one-half and a number is above eighteen.
The sum of one half and a number is less than eighteen.