Solve the variation problem.According to Ohm's law, the electric current, in amperes (A), in a circuit varies directly as the voltage, in volts (V). When 18 V are applied, the current is 2 A. What is the current when 25 V are applied?
A. 18.25 A
B. 45 A
C. 2.78 A
D. 9 A
Answer: C
Mathematics
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Divide. Be sure your answer is simplified.
÷ 
A. 
B. 
C. 
D. 
Mathematics
Solve the system graphically. If the system has an infinite number of solutions, use set-builder notation to write the solution set. If the system has no solution, state this.x - y = 4x + y = 10
A. (6, 14) B. (7, 3) C. (3, 7) D. (14, 6)
Mathematics
Solve the triangle. Round to the nearest tenth when necessary or to the nearest minute as appropriate.B = 53.2°C = 100.6°b = 31.5
A. A = 24.2°, a = 40.7, c = 19.4 B. A = 26.2°, a = 17.4, c = 38.7 C. A = 26.2°, a = 19.4, c = 40.7 D. A = 24.2°, a = 38.7, c = 17.4
Mathematics
Solve the inequality, and graph the solution set.
> 0
A. (0, ?)
B. 
C. 
D. 
Mathematics