Find the first term a1 and the common difference d of the arithmetic sequence.0.7, 0.62, 0.54, 0.46, 0.38, . . .
A. a1 = -0.08, d = 0.38
B. a1 = 0.7, d = -0.16
C. a1 = -0.08, d = 0.08
D. a1 = 0.7, d = -0.08
Answer: D
Mathematics
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