Determine the profit of each book sold to jake lucas, using the actual price the customer paid (not the book’s regular retail price). sort the results by order date. if more than one book was ordered, sort the results by profit amount in descending order. perform the search using the customer name, not the customer number.

Ahospital purchases a $500,000 magnetic resonance imaging (mri) machine that has a useful life of 9 years. the salvage value at the end of 9 years is $77,000. (a) write a linear equation that describes the value y (in dollars) of the mri machine in terms of the time t (in years), 0 ≤ t ≤ 9. (b) find the value, in dollars, of the machine after 6 years. $ (c) find the time, in years, when the value of the equipment will be $140,000. (round your answer to two decimal places.) yr