Add or subtract as indicated.8.7 + (-3.1)
A. 5.6
B. 11.8
C. 8.7
D. -11.8
Answer: A
Mathematics
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Fill in the blank(s) with the appropriate word(s).
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Find sin A and round to the nearest ten-thousandth if a = 12, b = 10, and c = 15.6.
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