Find the first term and the common difference for the arithmetic sequence. Round approximations to the nearest hundredth.S30 = - 1575, a30 = -96
A. a1 = 2775, d = -3
B. a1 = 2775, d = -6.4
C. a1 = -9, d = -6.4
D. a1 = -9, d = -3
Answer: D
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