Solve the problem.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 9 volts. Find the power that the resistor must dissipate when the voltage across it is 18 volts.
A. 
watts
B. 
watt
C. 
watt
D. 
watt
Answer: C
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Solve the problem.As the price of a product increases, the demand for that product decreases. However, at higher prices, suppliers are willing to produce greater quantities of the product. The weekly supply and demand models for a certain type of television are as follows:Demand: N = -5p + 760Supply: N = 2.3pwhere p is the price in dollars per television.How many of these televisions can be sold and supplied at $90 per television?
A. sold: 1210; supplied: 207 B. sold: 207; supplied: 310 C. sold: 310; supplied: 967 D. sold: 310; supplied: 207
Determine the value of each variable.[9 b -7] + [a 5 c] = [-5 1 9]
A. a = -14; b = -4; c = 16
B. a = 14; b = 4; c = -16
C. a = - 
; b = 
; c = - 
D. a = 4; b = 6; c = 2
Use a calculator to approximate the root to the nearest thousandth.- 
A. -5.565 B. -5.573 C. -31.000 D. -5.568
Find the requested sum of the arithmetic sequence.a1 = -13, d = 1Find S4.
A. -46 B. -52 C. -13 D. -9