Use DeMoivre's Theorem to find the indicated power. Write the answer in rectangular form.
4
A. - 
- 
i
B. - 
+ 
i
C. - 
- 
i
D. - 
+ 
i
Answer: C
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Name the given angle in two other ways.?z
A. ?PTQ, ?QTP B. ?RTS, ?STR C. ?RzS, ?SzR D. ?RST, ?SRT
Solve the problem.The batting percentages of some of the players on the company softball team are 
, 
, 
, 
, 
, 
,
and 
. What is the mean of the batting percentages of these players? Round to the nearest thousandth.
A. .313
B. .244
C. .281
D. .268
Use the formula for the general term (the nth term) of a geometric sequence to find the indicated term of the sequence with the given first term, a1, and common ratio, r.Find a12 when a1 = 2,000, r = - 
.
A. - 
B. 
C. 
D. - 
Suppose that the equation 
represents the number of employees working t years after a company begins operations. After how many years will at least 300 employees be working? Round your answer to two decimal places.
?
A. after 3.66 years B. after 4.30 years C. after 100.00 years D. after 0.22 year E. after 1.12 years