Please replace the incorrect words with correct words in the following sentences using AP Style. There may be more than one error per sentence; all sentences contain at least one error. Use correct AP style, punctuation, grammar and spelling errors.)

11. Original: More than sixty persons are waiting to get into my Journalism class.

Correct: More than 60 persons are waiting to get into my Journalism class.

12. Original: The United States Constitution says the President is elected rather than appointed.

Correct: The United States Constitution says that the President is elected rather than appointed.

13. Original: I celebrate my birthday on Mar.1st, but I was really born on February 29th.

Correct: I celebrate my birthday on March 1st, but I was really born on February 29th.

14. Original: The Federal Bureau of Investigation and police in Montgomery County Md. searched for 3 weeks for the snipers who killed eleven people with a 223 calibur rifle.

Correct: The Federal Bureau of Investigation and the police in Montgomery County, Md. searched for 3 weeks for the snipers who killed 11 people with a 223-caliber rifle.

15. Original: Senator Barbara Mikulski, Democrat Maryland, has a six-year-old son who is in the 1st grade.

Correct: Senator Barbara Mikulski (Democrat Maryland) has a six-year-old son who is in the first grade.

16. Original: Former mayor Sandra Alexander lives at 1021 South Park Dr., which is in the 3rd District.

Correct: Former mayor Sandra Alexander lives at 1021 South Park Drive, which is in the 3rd District.

17. Original: The bridge in San Francisco, California is a possible terrorist target in the west.

Correct: The Bridge in San Francisco, California is a possible terrorist target in the West.

18. Original: Our journalism class begins at 8 A.M. on Tues., September 2nd.

Correct: Our journalism class begins at 8 a.m. on Tuesday, September 2.

19. Original: Marion Greenway, thirty-two, of Topeka Kansas is the town’s 1st women mayor.

Correct: Marion Greenway, 32, of Topeka, Kansas is the town’s first woman mayor.

20. Original: There are ten women and 4 men in my chemistry class.

Correct: There are 10 women and 4 men in my Chemistry class.

http://owl.english.purdue.edu/owl/resource/735/02/

and
http://www.wwu.edu/journalism/syllabi/207labmanual.htm
and
http://grammar.ccc.commnet.edu/grammar/index2.htm

11, 20. Read up on when to capitalize and when not.

12. I think the original was correct.

13, 16, 18. OK

14, 16, 19. Still errors that need to be corrected. See Commas #4 in the Commnet website above.

15. See the second link above and read about identifying political parties.

20. Original: There are ten women and 4 men in my chemistry class.

Correct before: There are 10 women and 4 men in my Chemistry class.

Correct now: There are ten women and four men in my Chemistry class.

15. Original: Senator Barbara Mikulski, Democrat Maryland, has a six-year-old son who is in the 1st grade.

Correct before: Senator Barbara Mikulski (Democrat Maryland) has a six-year-old son who is in the first grade.

Correct now: Senator Barbara Mikulski (Democrat Maryland) has a 6 year old son who is in the first grade.

Apparently, you didn't bother to read the links I posted for you above.

In the second link:
• Abbreviate names of political parties when used parenthetically or in election statistics:
U.S. Sen. Maria Cantwell, D-Wash., said today….

To correct the errors in these sentences using AP Style, follow these guidelines:

11. The number should be written as "60" rather than "sixty."
12. Use "that" after the word "says" to introduce a clause.
13. Spell out the month "March" and "February" instead of using abbreviations. The date should also be written as "1st" instead of "Mar. 1st."
14. The organization "The Federal Bureau of Investigation" should be written as "The Federal Bureau of Investigation" instead of using the abbreviation "FBI." The county name should be followed by a comma. The word "caliber" should be hyphenated as "caliber-rifle," and the number "three" should be written as "3."
15. The senator should be identified by the full name and the state should not be capitalized. The grade level "1st" should be written as "first."
16. The street type "Dr." should be written as "Drive" and capitalized.
17. Capitalize the word "Bridge" and include the abbreviation "Calif." for California. Capitalize the word "West."
18. Use the lowercase "a.m." and spell out the day of the week "Tuesday." The date should be written without "nd."
19. Use the numeral "32" instead of spelling it out. The word "woman" should be singular.
20. Capitalize the word "Chemistry" and use numerals "10" and "4."

Corrected sentences:
11. More than 60 persons are waiting to get into my Journalism class.
12. The United States Constitution says that the President is elected rather than appointed.
13. I celebrate my birthday on March 1st, but I was really born on February 29th.
14. The Federal Bureau of Investigation and the police in Montgomery County, Md. searched for 3 weeks for the snipers who killed 11 people with a 223-caliber rifle.
15. Senator Barbara Mikulski (Democrat Maryland) has a six-year-old son who is in the first grade.
16. Former mayor Sandra Alexander lives at 1021 South Park Drive, which is in the 3rd District.
17. The Bridge in San Francisco, Calif., is a possible terrorist target in the West.
18. Our journalism class begins at 8 a.m. on Tuesday, September 2.
19. Marion Greenway, 32, of Topeka, Kansas, is the town's first woman mayor.
20. There are 10 women and 4 men in my Chemistry class.