Please answer

1. No postal code in Canada can begin with the letters D, F,I,O,Q,U, but repeated letters are allowed and any digit is allowed. How many postal codes are possible in Canada? 2. The first letter of the postal code represents the province. In Ontario all postal codes start with KLMNP. How many different postal codes are possible in Ontario? 3. How many different postal codes are possible in the rest of Canada? 4. The first digit (or second character) is a 0 if the region it represents is explo berural. How many different rural postal codes are possible in Ontario? 5. According to Statistics Canada, only 12% of the available postal codes swirl are in use in 2007. How many postal codes were in use in 2007 in Canada? 14. For the track on field event this year you may participate as a volunteer or an athlete. If you volunteer you will be asked to choose one of 3 jobs. If you are an athlete you must participate in a minimum of 2 different events and a maximum of 4 different events from a list of 12. If you choose a random student at the field, how many different combinations of activities might they say they were doing? 15. How many 5 digit even numbers can be made from the number 3 146 287 1. with repeated numbers allowed 2. with no repeated numbers allowed 16. Using 0-9, how many 1. 4 digit numbers are evenly divisible by 5 with repeated digits allowed? 2. 4 or 5 digit numbers are evenly divisible by 5 with repeated digits allowed? 3. 6 digit numbers are evenly divisible by 5 with repeated digits NOT allowed? /17. There are 10 teams in the Eastern Division of the Ontario Hockey league. 1. How many different finishes could there be at the end of the season? 2. How many ways can the season end if we know the Niagara Ice Dogs will finish first, the Sudbury Wolves will finish 7th and the Mississauga St. Mike' Majors finish last? 3. How many finishes could there be if if we know that Niagara, Sudbury, or Mississauga will win the Eastern division