Find three cube roots for the complex number. Leave your answers in trigonometric form.
?
?
A. 
B. 
C. 
D. 
E. 
Answer: B
Mathematics
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Solve the proportion equation. 
= 
A. 49
B. 49
C. 49
D. 49
Mathematics
Solve the problem.The cost of manufacturing a molded part is related to the quantity produced during a production run. When 100 parts are produced, the cost is $300. When 600 parts are produced, the cost is $2800. What is the average cost per part?
A. $0.20 per part B. $5.00 per part C. $6.00 per part D. $4.17 per part
Mathematics
Solve the equation.
= 4
A. -4 B. -3 C. -28 D. -1
Mathematics
Write the vector v in the form v1i + v2j, given 
and the direction angle ? of v.
= 11, ? = 120°
A. - 
i + 
j
B. - 
i + 
j
C. 
i - 
j
D. 
i - 
j
Mathematics