Simplify the expression.( - )

A. 12
B.  - 
C. 3 + 3
D.


Answer: B

Mathematics

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Determine whether the equation is a linear equation in two variables.x - 7y = 12.4

A. yes B. no

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Find an equation of the line passing through the given point with the given slope, m. (3, -4) , m = 

A. y = - x + 6
B. y = x - 6
C. y = x - 6
D. y = x + 6

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Find the y-intercept for the graph of the quadratic function.f(x) = x2 - 9

A. 81 B. -81 C. -9 D. 9

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