I need help solving this 2 problems

Question 4. Version 1*/1. Score: 0/2 A vehicle purchased for $32500 depreciates at a constant rate of 4 % per year. Determine the approximate value of the vehicle 12 years after purchase. Round to the nearest whole number. Score: N/A/2 Had help available: Video Post to forum Question 5. Version 1*/1. Score: 0/2 Diseases tend to spread according to the exponential growth model. In the early days of AIDS, the growth factor (i.e. common ratio; growth multiplier) was around 1.7. In 1983, about 1500 people in the U.S. died of AIDS. If the trend had continued unchecked, how many people would have died from AIDS in 2004? (Round your answer to the ones place value.) people Score: N/A/2 Had help available: Video [ Post to forum Question 6. Version 1*/1. Score: 0/2 A population numbers 15,000 organisms initially and grows by 8.4% each year. Suppose P represents population, and t the number of years of growth. An exponential model for the population can be written in the form P = a . bt where and b = Score: N/A/1 N/A/1 Had help available: Video [ Post to forum APR 24 City