Solve the system by the substitution method.
A. (-1, -9), (4, 6)
B. (1, -9), (4, 6)
C. (1, -9), (-4, 6)
D. (-1, 11), (4, 26)
Answer: A
Mathematics
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Add or subtract.
- 
A. 1
B. 
C. 0
D. 
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Factor completely. If the polynomial cannot be factored, write "prime."2x2 + 23x + 63
A. (2x - 56)(x + 7) B. (x + 9)(x + 7) C. (2x + 9)(x + 7) D. (x - 56)(x + 7)
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Solve the inequality.
? 0
A. (-5, -1] or 
B. (-?, -5) or 
C. (-?, -5] or 
D. (-?, -1] or 
Mathematics
Determine whether the statement is true or false. ? N 24 E means 30 degrees north of east. ?
A. True B. False
Mathematics