Determine if the infinite geometric series converges or diverges. If the series converges, find its sum.
A. converges, 15
B. diverges
C. converges, ?
D. converges, 
Answer: B
Mathematics
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Find the angle between the vectors u and v.
A) 175°
B) 40°
C) 105°
D) 75°
E) 165°
Mathematics
Solve the problem.A book publisher found that the cost to produce 1000 calculus textbooks is $26,800, while the cost to produce 2000 calculus textbooks is $52,500. Assume that the cost C(x) is a linear function of x, the number of textbooks produced. What is the marginal cost of a calculus textbook?
A. $25,700 B. $25.70 C. $0.0257 D. $2.57
Mathematics
Add.360.9 + 0.54 + 74.33 + 94 + 1.3
A. 531.08 B. 531.07 C. 531.17 D. 532.07
Mathematics
Solve the inequality. Write the solution set in interval notation.
- 
? 
+ 3
A. 
B. 
C. 
D. 
Mathematics