Solve.For a resistor in a direct current circuit that does not vary its resistance, the power that a resistor must dissipate is directly proportional to the square of the voltage across the resistor. The resistor must dissipate 
watt of power when the voltage across the resistor is 5 volts. Find the power that the resistor must dissipate when the voltage across it is 15 volts.
A. 
watt
B. 
watt
C. 
watt
D. 
watts
Answer: C
Mathematics
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Solve the system by the substitution method. If there is no solution or an infinite number of solutions, so state. Use set notation to express the solution set.
A. {(1, 1)}
B. infinitely many solutions; {
y - 6x = 2} or {
5y = 30x + 10}
C. no solution; ?
D. {(-1.5, -1)}
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Evaluate the expression.
3
A. 
B. 3
C. 
D. 
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Write the decimal as a fraction or a mixed number. Express your answer in simplest form.0.54
A. 
B. 
C. 
D. 
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