Solve using the substitution method. Use a graphing calculator to check your answer. x + 9y = -41-7x + 9y = -73
A. (5, -6)
B. (-4, -6)
C. (4, -5)
D. No solution
Answer: C
Mathematics
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What fraction of the work shift was spent laying the padding and installing new carpet?
A. 
B. 
C. 
D. 
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Evaluate the given binomial coefficient.
A. 10 B. 45 C. 1 D. 0
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Combine the following, if possible.8
+ 7
+ 11
+ 26
A. 52
B. 26
C. 65
D. 26
+ 26
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Solve the system using substitution.3x + y = -7y = - 
x + 
A. (-4, 5) B. (5, -4) C. all points on the line 3x + y = -7; dependent system D. empty set; inconsistent system
Mathematics