Find a general term an for the arithmetic sequence.a8 = 31, a13 = 1
A. an = -6n + 73
B. an = 6n + 81
C. an = -5n + 79
D. an = -6n + 79
Answer: D
Mathematics
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Add.166.6 + 0.81 + 94.48 + 36.9
A. 298.79 B. 298.8 C. 298.89 D. 299.79
Mathematics
Perform the indicated operation and simplify. Write the answer in the form a + bi.(7 - 6i) + (4 - 4i)
A. 11 - 2i B. -11 - 10i C. 11 - 10i D. 11 + 10i
Mathematics
Solve using Cramer's rule.-2x - 2y = -16 3x + 2y = 18
A. (-2, -6) B. (2, 6) C. (-6, 2) D. (6, 2)
Mathematics
Write interval notation for the graph.
A. [-6, -2] B. (-6, -2] C. [-6, -2) D. (-6, -2)
Mathematics