Solve the system by substitution or elimination. If a system is inconsistent or has dependent equations, say so.3x + 5y + z = 264x - 5y - z = -53x + y + 5z = 22
A. {(3, 3, 2)}
B. {(3, 2, 3)}
C. ?; inconsistent system
D. {(2, 3, 3)}
Answer: A
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Solve the problem. Round dollar amounts to the nearest cent. Use 360 days.What is the purchase price of a 26-week T-bill with a maturity value of $1000 that earns an annual interest rate of 5.25%?
A. $25.58 B. $974.42 C. $1000 D. $1025.58
Solve the problem.Ohm's law relates the current in a circuit, I, in amperes, the voltage of the circuit, V, in volts, and the impedance of the circuit, Z, in ohms, by the formula 
Find V, the voltage of a circuit, if 
and Z = (5 + 7i) ohms.
A. (-24 - 70i) volts B. (70 - 24i) volts C. (-24 + 70i) volts D. (70 + 24i) volts
Find the composite function for the given functions.f ? g for f(x) = 3x + 3 and g(x) = -6x + 8
A. -18x + 26 B. 18x + 27 C. -18x + 27 D. -18x
Simplify the expression.
A. 4q4 
B. 4k7q8 
C. 4k3q4 
D. 4k3q4 