Salvage value is the estimated value that an asset will realize upon its sale at the end of its lifespan. The depreciation rate r is given by , where n is the lifespan of the item (in years), S is the salvage value (in dollars), and C is the original cost (in dollars). A boat is purchased for $240,000, and has a lifespan of 24 years. Use the graph below to answer the following:

9a. Determine the value of the boat at year 12.



9b. Determine the depreciation rate on the boat. Round your answer to two decimal places.

Finally, the arena decides to offer advertising space on the jerseys of the arena’s own amateur volley ball team. the arena wants the probability of being shortlisted to be 0.14. what is this as a percentage and a fraction? what is the probability of not being shortlisted? give your answer as a decimal. those shortlisted are entered into a final game of chance. there are six balls in a bag (2 blue balls, 2 green balls and 2 golden balls). to win, a company needs to take out two golden balls. the first ball is not replaced. what is the probability of any company winning advertising space on their volley ball team jerseys?