Find the limit of the sequence if it converges; otherwise indicate divergence.an = (-1)n 
A. 0
B. 1
C. 8
D. Diverges
Answer: D
Mathematics
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Write the equation for the line passing through the point (15,17) which is perpendicular to the line y = 7.
What will be an ideal response?
Mathematics
Solve the problem.A 200 gal tank is half full of distilled water. At time = 0, a solution containing 1 lb/gal of concentrate enters the tank at the rate of 4 gal/min, and the well-stirred mixture is withdrawn at the rate of 
When the tank is full, how many pounds of concentrate will it contain?
A. 100 pounds B. 200 pounds C. 120 pounds D. 150 pounds
Mathematics
Graph the function.y = sin x
A. 
B. 
C. 
D. 
Mathematics
Write the fraction as an equivalent fraction with the given denominator.
= 
A. 
B. 
C. 
D. 
Mathematics