Multiply and simplify.
? 
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Find the volume of the solid generated by revolving the region about the y-axis.The region in the first quadrant bounded on the left by the circle x2 + y2 = 16, on the right by the line 
, and above by the line y = 4
A. 64?
B. 16?
C. 
?
D. 
?
Mathematics
Find the standard-form equation of the hyperbola centered at the origin which satisfies the given conditions.Vertices at (0, 4) and (0, -4); foci at (0, 9) and (0, -9)
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Mathematics
Determine whether the equation is true or false. 
= 
A. False B. True
Mathematics
Write out the first five terms of the sequence for n = 1, 2, 3, 4, and 5.an = n2 - n
A. 0, 2, 6, 12, 20 B. 1, 4, 9, 16, 25 C. 2, 6, 12, 20, 30 D. 0, 3, 8, 15, 24
Mathematics