Factor out the largest common factor.3a + 12

A. 3(3a + 4)
B. 3(a + 12)
C. 3(a + 4)
D. 12(a + 1)


Answer: C

Mathematics

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A.
B.  
C.  
D.  

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If n is an integer, n ? 180° represents an integer multiple of 180°, and  represents an odd integer multiple of 90°. Decide whether the expression is equal to 0, 1, -1, or is undefined. tan((2n + 1) ? 90°)

A. Undefined B. -1 C. 1 D. 0

Mathematics

Perform the indicated operations and simplify the result. Leave the answer in factored form. ? 

A.
B.  
C.  
D.  

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Fill in the blank with the correct inequality symbol, < or >, to make a true comparison statement.2 _____ 0

A. 2 > 0 B. 2 < 0

Mathematics