Solve the absolute value equation.
= 4
A. 
B. 
C. 
D. 
Answer: D
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Provide an appropriate response.Solve the system of equations using the substitution method: 3a - b = 3 a + b = 5
A. a = 3, b = 2 B. a = 4, b = 9 C. a = 4, b = 1 D. a = 2, b = 3
Solve the problem.The owner of a video store has determined that the cost C, in dollars, of operating the store is approximately given by 
where x is the number of videos rented daily. Find the lowest cost to the nearest dollar.
A. $528 B. $831 C. $649 D. $710
Find the regression line for the given data. Round to two decimal places, if necessary.
A. y = 0.95x - 11.8 B. y = 0.95x + 11.8 C. y = 1.05x + 11.8 D. y = 1.05x - 11.8
Solve.If the voltage, V, in an electric circuit is held constant, the current, I, is inversely proportional to the resistance, R. If the current is 90 milliamperes when the resistance is 2 ohms, find the current when the resistance is 6 ohms.
A. 267 milliamperes B. 60 milliamperes C. 270 milliamperes D. 30 milliamperes