Add or subtract as indicated.(3x3 - 4xy - 6) - (5xy + 6x3 + 5)
A. -3x3 + 1xy + 11
B. -3x3 - 9xy + 11
C. -3x3 - 9xy - 11
D. -8x3 - 9xy - 6
Answer: C
Mathematics
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A. x = -5 B. x = -3 C. x = 3 D. x = 5
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Find the exact value by using a half-angle identity.tan 75°
A. -2 + 
B. 2 + 
C. -2 - 
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Provide an appropriate response.List all numbers that must be rejected as possible solutions.
= 
A. -9, 
, 
, 
B. 0, -9, 
, 
, 
C. -9, 
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Mathematics