Find the real solutions of the equation.2x3 - x2 - 20x + 10 = 0
A. 
B. {-2, 
, - 
}
C. {2, 
, -
}
D. 
Answer: D
Mathematics
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Solve the problem.The distance d in miles that can be seen on the surface of the ocean is given by 
where h is the height in feet above the surface. How high (to the nearest foot) would a platform have to be to see a distance of 16.5 miles?
A. 121 ft B. 272 ft C. 110 ft D. 408 ft
Mathematics
Add or subtract as indicated. Simplify, if necessary.
+ 
A. 
B. 
C. 
D. 
Mathematics
Divide.0.92 ÷ (-2)
A. -14.6 B. -0.46 C. -1.46 D. -4.6
Mathematics
Find the volume generated by revolving about the x-axis the region bounded by the following graph.
A. 
?
B. 
?
C. 625?
D. 
?
Mathematics