Evaluate the expression for the given replacement values. Write the answer in simplest form.x - y for x = - 
, y = 
A. 
B. - 
C. - 
D. 
Answer: B
Mathematics
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Evaluate the expression.(-60) ÷ 5
A. -12
B. -22
C. - 
D. 12
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Graph the function.y = -3 sin (2?x + 2?)
A. 
B. 
C. 
D. 
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Write an equation for the piecewise function.
A. f(x) = 
B. f(x) = 
C. f(x) = 
D. f(x) = 
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Write the augmented matrix for the system. 8x + 6y = 96 9x + 4y = 86
A. 
B. 
C. 
D. 
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