Solve the system.4x - 7y - z = -17x + 3y - 5z = -93x + y + z = 21
A. {(4, 5, 4)}
B. ?
C. {(4, 4, 5)}
D. {(-4, 4, 8)}
Answer: C
Mathematics
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Use power series operations to find the Taylor series at x = 0 for the given function.f(x) = 
A. 
B. 
C. 
D. 
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Solve by the most appropriate method.5x2 - 5x - 4 = 0
A. 
B. 
C. 
D. 
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Multiply. Write the product in lowest terms.
A. - 
B. 
C. - 
D. - 
Mathematics
Solve the problem. Round to the nearest dollar if needed.Geraldo deposits $100 each month into an account paying annual interest of 5.5% compounded monthly. How much will his account have in it at the end of 9 years?
A. $13,934 B. $1126 C. $14,063 D. $13,780
Mathematics