1. The population of bears in a national forest was measured to be 10,000 in 2003 and was measured again to be 12,000 in 2007. If the population continues to grow linearly at this rate, what will the bear population be in 2015? Round to the nearest whole number.

2. You want to have $300,00 in your account when you retire in 30 years. Your retirement account earns 6% interest. How much do you need to deposit each month to meet your retirement goal? Round to the next highest dollar.

3. A dress regularly sells for $60. The sale price is $45. Find the relative change of the sale price from the regular price.

4. A native wolf species has been reintroduced into Yellowstone National Park and grows according to the low of exponential growth. Originally 150 wolves were transplanted. After 3 years, the population had grown to 210 wolves. What is the growth rate?

5. Find the simple interest when the principal is $1,500, the interest rate is 5.2% and the time is 3 years.

6. You want to take out a $275,000 mortgage (home loan). The interest rate on the loan is 4.5%, and the loan is for 30 years. How much will your monthly payments be?

7. Out of 230 racers who started the marathon, 212 completed the race, 14 gave up, and 4 were disqualified. What percentage did not complete the marathon?

8. A store has clearance items that have been marked down by 60%. They are having a sale, advertising an additional 30% off clearance items. What percent of the original price do you end up paying?

9. An article reports "attendance dropped 6% this year, to 300." What was the attendance before the drop?