Evaluate.
A. -1
B. 
C. 1
D. 0
Answer: D
Mathematics
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Solve the problem.How many posts does it take to support a straight fence 140 feet long if posts are placed every 10 feet?
A. 13 B. 15 C. 16 D. 14
Mathematics
Solve the inequality.x2 + 7x ? -3x - 21
A. -3 ? x ? -7
B. x ? -3 or x ? -7
C. 3 ? x ? 7
D. x ? - 
or x ? 
Mathematics
Factor.98x2 - 128
A. 2(7x - 8)2 B. 2(7x + 8)(7x - 8) C. (7x + 8)(14x - 16) D. (14x + 16)(7x - 8)
Mathematics
Graph the polar equation.r = csc ? - 4, 0 < ? < ? 
A. 
B. 
C. 
D. 
Mathematics