Solve. Write a mixed numeral for the answer.Find the perimeter (distance around) of the polygon below. Each side of the polygon has the same length. 
side length = 8
yd
A. 57
yd
B. 58 yd
C. 56
yd
D. 66 yd
Answer: A
Mathematics
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Evaluate the numerical expression.-2431/5
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Solve the problem. Round your answer to two decimal places.Scores on a test are normally distributed with a mean of 78 and a standard deviation of 6. What is the standard score for an exam score of 73 ?
A. -0.86 B. -1.2 C. 0.86 D. -0.83
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Find the area or volume.Find the volume of the solid generated by revolving the region under the curve 
in the first quadrant about the y-axis.
A. 4?3 B. 4? C. 16? D. 2?
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Find the conjugate of the complex number. Then multiply the complex number by its conjugate.-8 - 6i
A. -14; 100 B. -8 + 6i; 100 C. -2; 100 D. -8 - 6i; 100
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