Solve the problem.An auxiliary fuel tank for a helicopter is shaped like the surface generated by revolving the curve 
- 4 ? x ? 4, about the x-axis (dimensions are in feet). How many cubic feet of fuel will the tank hold to the nearest cubic foot?
A. 13
B. 7
C. 17
D. 4
Answer: A
Mathematics
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Use the Trapezoidal Rule with n = 4 steps to estimate the integral.
A. 
B. 
C. 
D. 
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If the sides of a triangle are a, b, and c and they satisfy a2 + b2 = c2, the triangle is a right triangle. Determine whether the triangle with the given sides is a right triangle.a = 14, b = 48, c = 50
A. Yes B. No
Mathematics
Determine two pairs of polar coordinates for the point with 0° ? ? < 360°.(0, 
)
A. (
, 90°), (- 
, 270°)
B. (7, 0°), (-7, 180°)
C. (7, 90°), (-7, 270°)
D. (
, 270°), (- 
, 90°)
Mathematics
Graph the solution set of the system of inequalities or indicate that the system has no solution.x + 2y ? -2x > -4y ? 6
A. 
B. 
C. 
D. 
Mathematics