Perform the indicated operation and simplify.
+ 
A. 1
B. 
C. 
D. 
Answer: D
Mathematics
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Solve. x - z = -73x - y = -1 x + y + z = 18
A. (3, 5, 10) B. (2, 7, 9) C. (-1, -2, 6) D. (1, 9, 8)
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Write the percent as a fraction or mixed number in lowest terms.67.5%
A. 
B. 
C. 
D. 
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Solve by factoring and using the principle of zero products.6b2 + 23b + 8 = -12
A. 
, 
B. 
, 
C. - 
, - 
D. - 
, - 
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Divide using long division.(15x3 - 3) ÷ (5x - 1)
A. 3x2 + 
x + 
+ 
B. 3x2 - 
x + 
C. 3x2 + 
x + 
D. 3x2 + 
x + 
- 
Mathematics