Solve the problem.The position of a weight attached to a spring is s(t) = -5 cos 5?t inches after t seconds. When does the weight first reach its maximum height?
A. After 
sec
B. After 
sec
C. After 
sec
D. After 
sec
Answer: A
Mathematics
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Use the integral test to determine whether the series converges.
A. converges B. diverges
Mathematics
Solve quadratic equation by factoring.15x2 + 31x - 2 = -12
A. 
, 
B. - 
, - 
C. 
, 
D. - 
, - 
Mathematics
Change the fraction into a decimal. Round your answer to the nearest hundredth, if necessary.
A. 2.32 B. 0.23 C. 0.02 D. 4.30
Mathematics
Answer the question.What does the digit 1 mean in the number 145,577,056,305?
A. hundred-billions B. hundred-millions C. ten-millions D. ten-billions
Mathematics