What is the cardinal number for the set:

A = 2,4,6, ...,18

2. What is the set

W x x = | is the day in a week beginning with the letter S

3. Determine whether this is a true or false statement:

2 1,3,5,7,9

4. Given set

A = 1,3,5,7

and set

B = 2,3,4,5,6 . Find

A B

5. For the given Venn Diagram as shown. What is

B'

, the complement of set

B?

6. Is 77 a prime number? Be sure to provide a brief explanation to support

your answer.

7. Find the Greatest Common Divisor for the numbers 30 and 45.

8. Find the Least Common Multiple for the numbers 45 and 115

9. A classroom has 12 boys and 15 girls. The teacher wishes them to march to the auditorium in rows, each row

has the same number of children. Each row also must consist of all boys or all girls. What is the largest

number of children in a row that will satisfies the teacher's wish?

10. You mow your yard every 12 days. Your neighbor, every 8 days. Both you and the neighbor mow the yard at

the same day today. How many days will it be until you and your neighbor mow on the same day again?