Solve the problem. Use 3.14 to approximate the value of ?. Round to nearest tenth unless instructed differently.Find the cost to asphalt a circular racetrack if asphalt costs $60 
Round to the nearest dollar.r = 80 ftR = 145 ft
A. $12,058
B. $39,611
C. $31,840
D. $27,554
Answer: D
Mathematics
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Divide. Simplify, if possible.
÷ 
A. 
B. 
C. 4
D. 
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Evaluate the integral.
A. 
- 
tan-1
+ C
B. 
+ 
ln
+ C
C. - 
- 
tan-1
+ C
D. 
+ 
tan-1
+ C
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Simplify the complex rational expression.
A. 
B. 
C. 
D. - 
Mathematics
Classify the angle as acute, right, obtuse, or straight.
A. Obtuse B. Right C. Straight D. Acute
Mathematics