Find all the complex roots. Write the answer in the indicated form.The complex cube roots of -8 (rectangular form)
A. -2, 1 + 
i, -1 - 
i
B. -2, -1 - 
i, 1 - 
i
C. -2, 1 + 
i, 1 - 
i
D. -2, -1 + 
i, -1 - 
i
Answer: C
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Simplify the algebraic expression.5(2n + 3) + 8(n + 2)
A. 18n + 31 B. 50n + 31 C. 41n D. 18n - 5
Find all solutions of the equation in the interval [0°, 360°). Round the answers to the nearest tenth of a degree.csc ? = 3.1
A. {18.8°} B. {18.8°, 341.2°} C. {18.8°, 161.2°} D. {18.8°, 198.8°}
Evaluate the sum. Round to the nearest hundredth, if necessary. 
A. 93,902 B. 34 C. 294 D. -294
First, use front end rounding to estimate each answer. Then find the exact answer.Light travels 186,000 miles per second. How many miles does it travel in 
A. estimate: 200,000 ? 800 = 160,000,000 miles; exact: 139,686,000 miles B. estimate: 200,000 ? 750 = 150,000,000 miles; exact: 139,686,000 miles C. estimate: 190,000 ? 750 = 142,500,000 miles; exact: 139,686,000 miles D. estimate: 190,000 ? 800 = 152,000,000 miles; exact: 139,686,000 miles