Which of the following is a true statement

Write the following intervals in set-builder form :

$\left( { - 3,0} \right)$

Which of the following sets are finite or infinite.

The set of months of a year

Write the following intervals in set-builder form :

$\left[ {6,12} \right]$

For an integer $n$ let $S_n=\{n+1, n+2, \ldots \ldots, n+18\}$. Which of the following is true for all $n \geq 10$ ?

Write the set $A = \{ 1,4,9,16,25, \ldots .\} $ in set-builder form.