Express the rational expression in lowest terms.
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Find a formula for the nth partial sum of the series and use it to find the series' sum if the series converges.5 + 
+ 
+ ... + 
+ ...
A. 
; 
B. 
; 
C. 
; 
D. 
; 
Mathematics
Completely factor the polynomial or state that the polynomial is prime.512x3 + 1
A. (8x + 1)(64x2 + 1) B. (8x + 1)(64x2 + 8x + 1) C. (8x + 1)(64x2 - 8x + 1) D. (8x + 1)(64x2 - 8x - 1)
Mathematics
The graph shows sales in thousands of dollars for 1989 and 1990. Use it to answer the question. 
Which month in 2007 had the highest sales?
A. Month 12 B. Month 3 C. Month 5 D. Month 6
Mathematics
Find a rectangular equation for the plane curve defined by the parametric equations.x = t + 4, y = t2, for t in (-?, ?)
A. y = 
B. y = 
+ x + 4
C. y = x2 - 8x + 16
D. y = x2 + 16
Mathematics