Solve the problem.If the impedance of a resistor in a current is Z1 = (8 + 9i) ohms and the impedance of a second resistor is Z2 = (4 - 7i) ohms, find the total impedance of the two resistors when they are placed in a series (the sum of the two impedances).
??Series Circuit
A. -4 + 16i
B. 12 + 2i
C. -12 - 2i
D. 12 - 2i
Answer: B
Mathematics
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A. 754.39 yd B. 194.68 yd C. 97.34 yd D. 48.67 yd
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Provide an appropriate response.Solve the system of equations using the substitution method:x - 4y = 3-2x + 8y = -6
A. x = 0, y = - 
B.
dependent; many solutions
C.
inconsistent; no solution
D.
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Mathematics
Use order of operations to simplify the expression.(11 + 7) - (25 - 12)
A. -41 B. 41 C. 5 D. 19
Mathematics