Solve the equation.3(x + 4) - (3x + 12) = 0

A. {0}
B. {4}
C. {all real numbers}
D. {?}


Answer: C

Mathematics

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First, round the mixed numbers to the nearest whole number and estimate the answer. Then find the exact answer and write it in simplest form.4 ÷ 3

A. 2 
B. 1
C. 1 
D. 1 

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Find the quotient.-72 ÷ (-8)

A. 9
B.  
C. -9
D. -720

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Graph the function.y = -2 cos

A.

B.

C.

D.

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For problems 1-15, evaluate or simplify each expression.

A.
B.
C.
D.
E. none of these

Mathematics