Solve the system using the matrix inverse method. 3x - y + 7z = 57 4x + 3z = 32 5y + z = 33
A. {(2, 8, 5)}
B. {(-2, 5, 4)}
C. {(2, 5, 8)}
D. ?
Answer: C
Mathematics
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Provide an appropriate response.What number is 0.5% of 78?
A. 0.39 B. 1.56 C. 39 D. 156
Mathematics
Find (f ?g)(x) for the given functions f(x) and g(x).f(x) = 3x + 5 and g(x) = 4x - 1
A. 12x + 2 B. 12x + 8 C. 12x + 19 D. 12x + 4
Mathematics
Rewrite as a single logarithm.2 log2(2x + 5) + 6 log2(6x + 1)
A. 12 log2(2x + 5)(6x + 1)
B. log2((2x + 5)2 + (6x + 1)6)
C. log2(2x + 5)2(6x + 1)6
D. log2
Mathematics
Use the vectors in the figure below to graph the following vector. 
z - v 
A. 
B. 
C. 
D. 
Mathematics