Find all cube roots of the complex number. Leave answers in trigonometric form.2 + 2i
A. 
cis 20°, 
cis 140°, 
cis 260°
B. 
cis 20°, 
cis 140°, 
cis 260°
C. 
cis 30°, 
cis 150°, 
cis 270°
D. 
cis 20°, 
cis 140°, 
cis 260°
Answer: D
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Solve the problem.The frequency table below shows the number of days off in a given year for 30 police detectives. Make a histogram. 
What will be an ideal response?
Calculate. Write answer in lowest terms.2
+ 4
A. 6
B. 7
C. 6
D. 6
Solve the problem.The table below shows the population of a certain city in various years. Use regression (or some other method) to find values for a and b so that 
models the data, where x represents the number of years since 1980 and f(x) represents the population of the city in hundreds of thousands. Round your answers to 5 significant digits.
A. a ? 2.1375, b ? 0.44316 B. a ? 2.6352, b ? 0.47558 C. a ? 1.8506, b ? 0.51209 D. a ? 1.7025, b ? 0.53750
Find the dimensions of the rectangle meeting the specified condition. ? The perimeter is 36 meters and the length is 4 meters greater than the width. ?
A. 13 m × 7 m B. 13 m × 9 m C. 11 m × 7 m D. 15 m × 11 m E. 11 m × 11 m