Find all cube roots of the complex number. Leave answers in trigonometric form.-125
A. 5 cis 180°, 5 cis 0°
B. 5 cis 60°, 5 cis 180°, 5 cis 300°
C. 5 cis 120°, 5 cis 180°, 5 cis 300°
D. 5 cis 30°, 5 cis 150°, 5 cis 270°
Answer: B
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Use the two steps for solving a linear programming problem to solve the problem.Bruce is bringing items to sell at a flea market, where he plans to sell televisions at 
each and DVD players at 
each. Due to space limitations he can only store at most 150 items for the day. However, because more people already own televisions, Bruce knows that the number of DVD sales must at least match the number of television sales. How many of each item should Bruce bring to the flea market to maximize his sales?
A. 25 televisions and 125 DVD B. 100 televisions and 50 DVD C. 75 televisions and 75 DVD players D. 50 televisions and 100 DVD players
Match the vector equation with the correct graph.
r(t) = 2 cos ti + sin tk; 0 ? t ? ?
A. Figure 7 B. Figure 2 C. Figure 4 D. Figure 6
Evaluate.-92
A. 81 B. -81 C. -18 D. -729
Express the sum in sigma notation.6 + 12 + 18 + 24 + 30
A. 
B. 
C. 
D. 