The nth term of a sequence is given. Calculate the fifth partial sum.an = 
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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For what values of x does the series converge absolutely?
A. 0 < x < -4 B. -8 ? x < -4 C. -8 < x < -4 D. 0 < x ? -4
Mathematics
Use the formula Z = 
from statistics (a formula used to determine the relative value of one observation to another) to evaluate the expression for the given values. Write the exact value and then write your answer rounded to two decimal places.X = 140, ? = 150, ? = 18, n = 21
A. 
, 73.83
B. 
, -0.12
C. 
, 3.52
D. 
, -2.55
Mathematics
Find the area of the triangle. If necessary, round the answer to two decimal places. 
A. 8.45 B. 4.53 C. 4.23 D. 2.11
Mathematics
Graph.
- 
= 1
A. 
B. 
C. 
D. 
Mathematics