Solve the problem.The annual depreciation rate r (0 < r < 1) of a car purchased for P dollars and worth A dollars after t years can be modeled by the following formula: 
Find the depreciation rate of a car that is purchased for $34,000 and is sold 4 years later for $20,000. Express the answer as a percent and round to the nearest whole percent.
A. 88%
B. -88%
C. -12%
D. 12%
Answer: D
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Write the converse, inverse, or contrapositive off the proposition, as indicated.If you received a refund of over $1000, then you cannot make a claim. (inverse)
A. If you cannot make a claim, then you did not receive a refund of over $1000. B. If you can make a claim, then you did not receive a refund of over $1000. C. If you did not receive a refund of over $1000, then you can make a claim. D. If you can make a claim, then you received a refund of over $1000.
Convert the decimal form numeral to a numeral in the base indicated.13,562 to base 8
A. 23,2278 B. 32,3728 C. 32,3278 D. 23,2728
Write the statement in symbolic form.Let p: The outside humidity is high. q: The basement dehumidifier is running. r: The basement is getting moldy.If the outside humidity is high, then the basement dehumidifier is running or the basement is not getting moldy.
A. p ? (q ? r) B. p ? (q ? ~ r) C. p ? (q ? ~ r) D. p ? (q ? ~ r)
Find the difference, regrouping when necessary.
A. 2057 B. 65 C. 1957 D. 2065