Find all cube roots of the complex number. Leave answers in trigonometric form.-6
- 6i
A. 
cis 70°, 
cis 190°, 
cis 310°
B. 
cis 70°, 
cis 190°, 
cis 310°
C. 
cis 70°, 
cis 190°, 
cis 310°
D. 
cis 80°, 
cis 200°, 
cis 320°
Answer: C
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Use the vertex and intercepts to sketch the graph of the equation. Give the equation for the parabola's axis of symmetry.x = y2 + 12y + 33
A. Axis of symmetry is y = 6.
B. Axis of symmetry is y = -6.
C. Axis of symmetry is x = -6.
D. Axis of symmetry is x = 6.
Solve the system.
+ 
= - 
- 
= - 
A. 
B. {(-9, 7)}
C. {(7, -9)}
D. {(9, -7)}
Subtract.Subtract 0.485 from 31
A. 30.615 B. 31.485 C. 30.515 D. 30.015
Solve the problem.A woman made a deposit of $327. If her deposit consisted of 87 bills, some of them one-dollar bills and the rest being five-dollar bills, how many one-dollar bills did she deposit?
A. 60 one-dollars B. 17 one-dollars C. 27 one-dollars D. 22 one-dollars