Find the sum of the infinite geometric series.
+ 
+ 
+ 
+ ...
A. S = 1
B. S = 
C. S = 
D. Does not exist
Answer: C
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Write the number in words.47,803
A. four thousand seven, eight hundred three B. forty-seven thousand, eight hundred three C. forty-seven thousand, eighty-three D. forty-seven hundred thousand, eight hundred three
The eccentricity is given of a conic section with one focus at the origin, along with the directrix corresponding to that focus. Find a polar equation for the conic section. e = 
, x = 3
A. r = 
B. r = 
C. r = 
D. r = 
Factor out the greatest common factor.27x4y3 - 6x3y2 + 15x2y
A. 3(9x4y3 - 2x3y2 + 5x2y) B. 3x2y(9x2y2 - 2xy + 5) C. 3xy(9x3y2 - 2x2y + 5x) D. 3x2y2(9x2y - 2x + 5)
Express the statement as an equation involving the indicated variables.The volume V of a cube is the cube of the length x of a side.
A. V = 3x
B. V = x3
C. V = x2
D. V = 