Evaluate the expression, if possible.1252/3
A. 5
B. 
C. 25
D. 10
Answer: C
Mathematics
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Find zw or 
as specified. Leave your answer in polar form.z = 1 + iw = 1 - 
iFind 
.
A. 
(cos 15° + i sin 15°)
B. 
(cos 105° + i sin 105°)
C. 
(cos 105° + i sin 105°)
D. 
(cos 15° + i sin 15°)
Mathematics
Add or subtract as indicated. Simplify the result, if possible.
- 
A. - 
B. 
C. 
D. 
Mathematics
Solve the problem.The total sales in dollars of some small businesses fluctuates according to the equation 
, where x is the time in months, with 
corresponding to January, 
, and 
Determine the month with the least sales and give the sales in that month.
A. December; $6500 B. June; $3900 C. September; $2600 D. March; $10,400
Mathematics
Evaluate f(19) for f(x) = x0.
A. 19 B. 0 C. 1 D. 10 E. none of these
Mathematics