Add or subtract as indicated. Simplify, if necessary.
- 
A. 
B. 1
C. 
D. 17
Answer: C
Mathematics
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Use elimination to solve each system of equations, if possible. Identify the system as consistent or inconsistent. If the system is consistent, state whether the equations are dependent or independent. x + 3y = -96x + 4y = -12
A. Inconsistent
B. (1, -4); consistent and independent
C.
| (0, -3); consistent and independent |
D. (3, 0); consistent and independent
Mathematics
Use Cramer's rule to solve the linear system.
A. {(9, 7, 2)} B. {(10, 5, 2)} C. {(9, -7, -2)} D. {(7, 2, 7)}
Mathematics
Write a mixed number to represent the measurement shown.According to a recent study, 4 out of 16 visits to a hospital emergency room were for an injury. What fraction of emergency room visits were injury-related?
A. 
B. 
C. 
D. 
Mathematics
Combine like terms.5y - x - 9y - 8x
A. -7x - 4y B. -7x + 4y C. -9x - 4y D. -9x - 14y
Mathematics