Construct a frequency polygon. 
A. Frequency
| Number of vacation days |
B. Frequency
| Number of vacation days |
Answer: B
Mathematics
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Evaluate the line integral along the curve C.
ds, C is the curve r(t) = (-1 - t)i - j + (-1 - t) k, 0 ? t ? 1
A. 
B. - 
C. 3
D. 
Mathematics
Express the solution set of the inequality in interval notation and graph the interval.x ? 4
A. (4, ?)
B. (-?, 4)
C. [4, ?)
D. (-?, 4]
Mathematics
Solve.
+ 
+ 
= 7
A. 
B. 
C. 
D. 
Mathematics
Solve.
= 1
A. - 
, 
B. 
C. 
D. - 
, 
Mathematics