Provide an appropriate response.A large industrial company has three drain lines from the plant to the connection with the city drain system. What is the total length of pipe used by the company for the drain lines? 
A. 354 ft
B. 454 ft
C. 246.7 ft
D. 254 ft
Answer: A
Mathematics
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List the first eight multiples of the given number.8
A. 0, 8, 16, 24, 32, 40, 48, 56 B. 8, 9, 10, 11, 12, 13, 14, 15 C. 1, 2, 3, 4, 5, 6, 7, 8 D. 8, 16, 24, 32, 40, 48, 56, 64
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Determine the measure of the interior angle at vertex A.
A. 112.5° B. 22.5° C. 67.5° D. 37.5°
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Solve the problem.A middle school's baseball playing field is a square, 55 feet on a side. How far is it directly from home plate to second base (the diagonal of the square)? If necessary, round to the nearest foot.
A. 78 feet B. 77 feet C. 85 feet D. 79 feet
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Find the derivative of the function.y = cos x3
A. 
= -3x2 sin x3
B. 
= sin x3
C. 
= -3x3 sin x3
D. 
= 3 sin x3
Mathematics