Add the polynomials.(6y5 + 2y3 + 8y) + (2y5 + 3y3 - 6y)
A. 15y9
B. 8y + 5y5 + 2y3
C. 8y5 + 5y3 + 2y
D. 10y5 + 9y3 - 4y
Answer: C
Mathematics
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Find a1, d, an, n, or Sn for the arithmetic sequence, as instructed.d = -2, n = 24, S24 = 144; Find a1.
A. 27 B. 29 C. 31 D. 25
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Convert between English and Metric System of Units.
218 mi = 
km (Round to the nearest thousandth.)
A. 135.488 B. 394.362 C. 350.762 D. 121.111
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Find the center and radius of the sphere.(x + 6)2 + (y + 9)2 + (z + 5)2 = 
A. C(6, 9, 5), a = 
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Mathematics