Simplify by removing grouping symbols and combining like terms.2[6(2x - y ) - 6(x + 6y)]
A. 12x + 60y
B. 18x - 48y
C. 12x + 10y
D. 12x - 84y
Answer: D
Mathematics
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Solve the system.
y2 = -3x y2 = x + 8
A. (-0.8, ±
)
B. (-1, ±
)
C. (1, ±
)
D. (0.8, ±
)
Mathematics
Add or subtract. Simplify the answer. 
+ 
A. 
B. 
C. 
D. 
Mathematics
Solve the equation. If it is an identity or an impossible equation, so indicate.8 ( y - 7 ) - y = 7 ( y - 8 )
A. impossible equation B. identity equation C. equation has one solution
Mathematics
Graph the polar equation.r = 
A. 
B. 
C. 
D. 
Mathematics