Solve the variation problem.According to Ohm's law, the electric current I, in amperes, in a circuit varies directly as the voltage V. When 14 volts are applied, the current is 3 amperes. What is the current when 23 volts are applied?
A. 4.67 amperes
B. 40 amperes
C. 4.93 amperes
D. 107.333333 amperes
Answer: C
Mathematics
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Find the volume of the solid generated by revolving the region about the given line.The region in the first quadrant bounded above by the line y = 1, below by the curve 
and on the left by the y-axis, about the line y = 1
A. 
+ 3
B. 
- 
C. 
- 
D. 
+ 
Mathematics
Find the area of the shaded region in the figure. Round results to the nearest unit..
A. 475 in2 B. 375 in2 C. 567 in2 D. 183 in2
Mathematics
Solve.
= 
(Write the answer as a mixed number.)
A. 30
B. 15
C. 
D. 7
Mathematics
Use synthetic division to find the function value.f(x) = 2x3 + 4x2 - 3x + 6; find f(-3)
A. -207 B. -3 C. -105 D. -21
Mathematics