Solve the problem.Use the formula Zt = 
to find the total impedance in a parallel circuit for 
and 
A. 1.7(cos 140.9° + i sin 140.9°)
B. 1.7(cos 69.1° + i sin 69.1°)
C. 1.7(cos 64.9° + i sin 64.9°)
D. 1.7(cos 134.7° + i sin 134.7°)
Answer: C
Mathematics
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Evaluate the expression.61
A. 
B. 6
C. 1
D. -6
Mathematics
Simplify the expression. Express the answer so that all exponents are positive. Whenever an exponent is 0 or negative, we assume that the base is not 0.
A. x8y3
B. 
C. 
D. 
Mathematics
Provide an appropriate response.If a fraction with denominator 
must be written as an equivalent fraction with denominator 
then the original fraction must be multiplied by (x + 9)2 in both the numerator and the denominator.
A. True B. False
Mathematics
Solve the equation. The letters a, b, and c are constants.
+ 
= c, c ? 0
A. x = 
B. x = 
C. x = 
D. x = 
Mathematics