Find the LCM of 20 and 16.
A. 80
B. 500
C. 25
D. 320
Answer: A
Mathematics
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Use the shell method to find the volume of the solid generated by revolving the region bounded by the given curves and lines about the y-axis.y = 9x3, y = 9x, for x ? 0
A. 
?
B. 
?
C. 
?
D. 
?
Mathematics
Solve and graph. Write the solution set in set-builder and interval notation.3 < x < 7
A. {x|3 < x < 7}; (3, 7)
B. {x|3 ? x < 7}; [3, 7) 
C. {x|3 ? x ? 7}; [3, 7] 
D. {x|3 < x ? 7}; (3, 7] 
Mathematics
Find the absolute value.
A. 
B. - 
C. 0
D. 
Mathematics
Find the common ratio for the geometric sequence.1, 
, 
, 
, 
, . . .
A. 2
B. 
C. 9
D. 
Mathematics