Solve.The dome of a sports arena is the surface generated by revolving 
about the y-axis. Find the volume within the dome.
A. 57,000 m3
B. 61,000 m3
C. 54,000 m3
D. 50,000 m3
Answer: A
Mathematics
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Graph the pair of parametric equations with the aid of a graphing calculator.x = 7t - 7 sin t, y = 7 - 7 cos t, -2? ? t ? 2? 
A. 
B. 
C. 
D. 
Mathematics
Decide whether the equation describes a function.x = -9
A. yes B. no
Mathematics
Solve.The force of gravity on a planet varies with the mass of the planet. If the force of gravity on a planet in a distant solar system is about four and one half times that of Earth, how much would an object weighing 225 pounds on Earth weigh on this planet?
A. 50 lb B. 1012.5 lb C. 500 lb D. 229.5 lb
Mathematics
Rewrite the expression as a single logarithm.2 logm(q) - 9 logm(z2)
A. logm 
B. logm 
C. logm 
D. logm 
Mathematics