Answer the question.What values of n will make xn a perfect square?
A. n must be odd.
B. n must be a multiple of 5.
C. n must be a power of 3.
D. n must be even.
Answer: D
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Solve the problem.The current I in a circuit with voltage E, resistance R, capacitive reactance Xc and inductive reactance XL is I = 
Find I if E = 3
(cos 45° + i sin 45°), R = 4, XL = 4, and XC = 2.Give your answer in rectangular form.
A. 
+ 
i
B. 
+ 
i
C. 
+ 
i
D. 
+ 
i
Determine whether the given linear equations are parallel, perpendicular, or neither.-4 x + y = 103x + y = -4
A. parallel B. perpendicular C. neither
Solve using the addition principle.b - 42 = 0
A. -42 B. 42 C. -40 D. 0
Solve the problem.Paul gets a bill from a sign rental company for 
The company charges 
per day for the sign, plus 
for delivery/pick up. For how many days rental was Paul billed?
A. 8 days B. 10 days C. 11 days D. 7 days