Add or subtract as indicated.-1 + 12 - 6 - (-11) + (-7)
A. -11
B. 9
C. -1
D. -13
Answer: B
Mathematics
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A. False statement B. Not a statement C. True statement
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Divide. If the division is not possible, write "undefined."
A. 55,451 B. 55,451 R3 C. 55,450 R8 D. 55,451 R2
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Find an algebraic expression equivalent to the given expression.cos (arctan 
)
A. 
B. 
C. 
D. 
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