Solve triangle, if possible. If necessary, round your answers to the nearest tenth. 
A. a ? 7.3, B ? 7.8°, C ? 142.2°
B. a ? 8.3, B ? 6.9°, C ? 143.1°
C. a ? 8.3, B ? 2.8°, C ? 147.2°
D. a ? 7.3, B ? 7.8°, C ? 37.8°
Answer: A
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B. 
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