Solve area problem.Find the cost to asphalt a circular racetrack if asphalt costs $40 per 100 ft2. (Use 3.14 for ?. Round to the nearest dollar.) r = 95 ft R = 140 ft
(Use 3.1 4 for ? .)
A. $24,618
B. $13,282
C. $10,174
D. $11,335
Answer: B
Mathematics
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Solve the exponential equation using the method of "relating the bases" by first rewriting the equation in the form 
81x = 3
A. {27}
B. 
C. {4}
D. 
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The graph of a function is given. Decide whether it is even, odd, or neither.
A. even B. odd C. neither
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= 
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Mathematics