Find the square root.
A. not a real number
B. 10
C. 50
D. 11
Answer: B
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Complex numbers are used in electronics to describe the current in an electric circuit. Ohm's law relates the current in a circuit, I, in amperes, the voltage of the circuit, E, in volts, and the resistance of the circuit, R, in ohms, by the formula 
Solve the problem using this formula.Find E, the voltage of a circuit, if I = (2 + 3i) amperes and R = (9 + 5i) ohms.
A. (3 + 37i) volts B. (37 + 3i) volts C. (3 - 37i) volts D. (37 - 3i) volts
Graph the function using transformations.f(x) = 
A. 
B. 
C. 
D. 
Find all solutions if 
. Give your answers in degrees. Verify your answer graphically.
?
?
? = __________°
What will be an ideal response?
Write the number without exponents.8.53 × 106
A. 8,530,000 B. 853,000 C. 511.8 D. 85,300,000