1. Is the set {1,2,3,4,...} finite or infinite. (1 point) 2. Is the set of multiples of 3 between 0 and 40 finite or infinite. (1 point)

3. Express in roster form the states that begin with the letter H. (1 point)

4. Let set A=The states that begin with the letter A. (5 points)

a. What is n(A)

b. Write set A in Roster form

5. Let set B = The set of all states that do not border another state. (3 points)

a. n(B)

b. Write set B in Roster form.