Write the augmented matrix for the system. 5x + 9z = 26 7y + 8z = 18 4x + 3y + 9z = 22
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Graph the function by starting with the graph of the basic function and then using the techniques of shifting, compressing, stretching, and/or reflecting.f(x) = 
A. 
B. 
C. 
D. 
Mathematics
Find the limit of the sequence if it converges; otherwise indicate divergence.an = (-1)n 
A. 7 B. ±7 C. 0 D. Diverges
Mathematics
Find the mean for the group of data items. If necessary, round the answer to nearest tenth.1.4, 0.7, 0.9, 1.4, 0.5, 1.6, 0.5, 1.7, 2.1
A. 1.2 B. 1 C. 1.3 D. 10.8
Mathematics
Solve the equation.
- 
= 0
A. 
B. 
C. 
D. 
Mathematics