1. Find the number using the following Venn diagram. n(A) 2. Find the number using the following Venn diagram. n(B) 3. Find the number using the following Venn diagram. n(U) 4. Find the number using the following Venn diagram. n(A B) 5. Find the number using the following Venn diagram. n(A B) 6. Find the number using the following Venn diagram. n(A Bc) 7. Find the number using the following Venn diagram. n(Ac) 8. Find the number using the following Venn diagram. n(A Bc) 9. A parking permit sticker displays an identification code consisting of a letter (from A, B, C, and D) followed by a digit (from 1, 2, 3, and 4). How many different permits can be issued? _____Permits 10. How many six-symbol computer passwords can be formed using the letters A to J and the digits 2 to 6? ______Passwords 11. Calculate each factorial. (a) 2! (b) 5! 12. Calculate the quotient of factorials. 7! 5! 13. Determine the number of permutations. 5P3 14. Find the number of combinations. 8C4 15. Find the number of combinations. 7C2 16. A computer password is to consist of four alphanumeric characters with no repeats. (An alphanumeric character is a letter from A to Z or a digit from 0 to 9.) How many such passwords are there? _____passwords How many are there if the letter O and the digit 0 are excluded to avoid confusion? ______Passwords 17. A junior high girls' basketball team is to consist of 5 players. How many different teams can the manager select from a roster of 8 girls? ______teams