Write the first four elements of the sequence. sin (n?)
A. 1, 1, 1, 1
B. 0, 1, 0, -1
C. 1, 0, -1, 0
D. 0, 0, 0, 0
Answer: D
Mathematics
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Find 
.ln y = ey cos 8x
A. ey cos 8x - 8ey sin 8x
B. 
C. 
D. -8yey sin 8x
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Solve the inequality.
< x
A. (5, 7) B. (0, 5) or (7, ?) C. (7, ?) D. (-?, 5) or (7, ?)
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Solve the problem.Martina bought 5 books to bring on vacation. However she decided that her bag was too heavy and that she wouldn't bring all of them. How many possible subsets are there if she brings at least one book but not all 5 books?
A. 31 B. 4 C. 30 D. 27
Mathematics
Solve the system of equations.2x + y = 0 x - 3y + z = 03x + y - z = 0
A. (0, 0, 0) B. (0, 1, 0) C. No solution D. (1, 0, 0)
Mathematics