Write the following sets in the roster form:
`{x:x = n/2, n in {1,2,3}}`

Write the following set in roster form: A = {x : x is an integer and -3 < x < 7}

Write the following set in roster form: B = {x : x is a natural number less than 6}

Write the following set in roster form: D = {x : x is a prime number which is divisor of 60}

Write the following set in roster form: C = {x : x is a two-digit natural number such that the sum of its digits is 8}

Write the following set in roster form: E = The set of all letters in the word TRIGONOMETRY

Write the following set in roster form: F = The set of all letters in the word BETTER

State whether the following set is finite or infinite : D= {x:x in N and 2x-3=0}.

Write the following in expanded form : (1/3x+2y)^3 .