Solve the equation.
A. x = -4
B. x = 2
C. x = 3
D. x = 4
E. x = -2
Answer: E
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Use a calculator to approximate to three decimal places.
A. 11.805 B. 11 C. 11.777 D. 11.790
Provide an appropriate response.Starting at middle A with a frequency of 437 cps, find the frequency of the note five half-steps above middle A.
A. 584 B. 606 C. 419 D. 579
29.4 × 8.8
A. 258.72 B. 259.82 C. 38.2 D. 258.83
Solve the problem.The voltage across a resistor is jointly proportional to the resistance of the resistor and the current flowing through the resistor. If the voltage across a resistor is 
for a resistor whose resistance is 
and when the current flowing through the resistor is 
find the voltage across a resistor whose resistance is 
and when the
current flowing through the resistor is 
A. 54 V
B. 12 V
C. 45 V
D. 18 V