For the given polar equation, write an equivalent rectangular equation.r = 
A. 
= 1
B. 7y - 3x = 1
C. 
+ 
= 1
D. 7x - 3y = 1
Answer: D
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Answer each question appropriately.Which of the following integrals, if any, calculates the area of the shaded region?
A. 
dx
B. 
dx
C. 
dx
D. 
dx
Solve the problem.A competition swimming pool is 25 meters long, 24 meters wide, and 4 meters deep. How much water does the pool hold?
A. 15,000 m3 B. 400 m3 C. 2400 m3 D. 14,400 m3
Solve the equation.
+ 
= 4
A. {-3}
B. ?
C. 
D. {3}
Solve.If the resistance in an electrical circuit is held constant, the amount of current flowing through the circuit varies directly with the amount of voltage applied to the circuit. When 
are applied to a circuit, 
of current flow through the circuit. Find the new current if the voltage is increased to 
A. 200 milliamperes B. 190 milliamperes C. 90 milliamperes D. 220 milliamperes