Find all rational zeros of the polynomial.P(x) = x4 - 
x3 + 
x2 + 
x - 
A. - 
, 
B. 
, 
C. - 
, - 
, 
, 
D. - 
, - 
, 
, 
Answer: A
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.
+ 
+ 
+ ... + 
+ ...
A. 
; 3
B. 
; 3
C. 
; 6
D. 
; 6
Mathematics
Change the following percent to a decimal. ? 20% ?
A. 2 B. 200 C. 20 D. 0.02 E. 0.2
Mathematics
Find the angle 
between the vectors. Round your answer to two decimal places.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics
Multiply.
A. 219 B. -225 C. 216 D. -216 E. -219
Mathematics