Find the first five terms of the infinite sequence whose nth term is given.an = 
A. - 2, - 2, - 
, - 
, - 
B. - 2, 2, - 
, 
, - 
C. - 2, - 
, - 
, - 
, - 
D. - 2, 
, - 
, 
, - 
Answer: B
Mathematics
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Approximate the number using a calculator. Round your answer to three decimal places.2 
A. 3.000 B. 3.464 C. 3.322 D. 4.000
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Graph the solution set of the system of inequalities.
x + 
y ? 33x - 5y ? -15
A. 
B. 
C. 
D. 
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Find the sum.Find the sum of the first 70 terms of the arithmetic sequence: -8, 1, 10, 19, . . .
A. 21,490 B. 21,175 C. 21,181 D. 622
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Evaluate without using a calculator by using ratios in a reference triangle.sec 
A. - 
B. -1
C. - 
D. - 
Mathematics