Write the following in roster form. 
{x\(\in \)N : x²<121 and x is a prime}

Write the following in roster form.
The set of all positive roots of the equation (x-1)(x+1)(x²-1) = 0.

Write the following in roster form {x\(\in \)N : 4x + 9 < 52}

Write the following in roster form.
\(\left\{ x:\frac { x-4 }{ x+2 } =3,x\in R-\{ -2\} \right\} \)

Write the set {-1, 1} in set builder form.

State whether the following sets are finite or infinite.
{x \(\in \) N : x is an even prime number}

State whether the following sets are finite or infinite.
{x \(\in \) N : x is an odd prime number}

State whether the following sets are finite or infinite.
{x \(\in \) Z : x is even and less than 10}

State whether the following sets are finite or infinite.
{x \(\in \) R : x is a rational number}

State whether the following sets are finite or infinite.
{x \(\in \) N:x is a rational number}