Convert to an expression with a rational exponent.
A. a-3/7
B. a-4
C. a-7/3
D. a4
Answer: C
Mathematics
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Solve the problem.An auxiliary fuel tank for a helicopter is shaped like the surface generated by revolving the curve 
- 2 ? x ? 2, about the x-axis (dimensions are in feet). How many cubic feet of fuel will the tank hold to the nearest cubic foot?
A. 2 B. 3 C. 8 D. 7
Mathematics
Use the trapezoidal rule to approximate the value of the integral defined by the given set of points.
A. 17.08 B. 18.95 C. 22.46 D. 25.3
Mathematics
Find all real numbers that satisfy the equation.tan 4x = 0
A. 
B. 
C. {x 
x = 2k?}
D. {x 
x = k?}
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Calculate the requested distance.The distance from the point S(1, 2, 8) to the plane 11x + 10y + 2z = 8
A. 
B. 
C. 
D. 
Mathematics