Given that A = {x| −6 < 5x + 4 < 19 ,  x ∈ integers}. The number of...

Let X be the set of letters in in the word NOTICE. The number of subsets X which has...

A set has 32 subsets, how many elements does it have? (A)  3 (B)  4 (C)  5 (D)  6...

Given that: P = {x| x is a prime numbers between 7 and 17} Q = {x| x is...

Given that A = {x| x is prime factors of 24} The proper subsets of A, except ... (A) ...

Which one of the following is a finite set? (A)  The positive real numbers less than 1 (B)  The...

Which of the following set is not an empty set? (A)  {x| x is a natural numbers less than...

Which one of the following is a finite set? (A)  The set of fractions with numerator 4 (B)  The...

Which one of the following is an infinite set? (A)  {x| x is a natural numbers less than 20}...

Which of the following set is the empty set? (A)  {x| x is a natural number and x² +...