Write the augmented matrix for the system. Do not solve the system. 8x + 9y = 42 5y = 10
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Evaluate the sum.
A. 13
B. 
C. 182
D. 91
Mathematics
Simplify the expression.6(5x - 2) - 4(x - 4)
A. 26x - 6 B. 26x + 4 C. 6x + 4 D. 26x - 28
Mathematics
Add or subtract. Write the answer in lowest terms.
- 
A. 
B. 
C. 
D. 
Mathematics
Factor completely.81s2 - 100t4
A. (9s - 10t2)2 B. (9s + 10t2)2 C. Prime D. (9s + 10t2)(9s - 10t2)
Mathematics