Simplify the expression.
? 
+ 
? 
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Determine if the series converges or diverges; if the series converges, find its sum.
A. Converges; 1
B. Converges; ln 6
C. Converges; ln 
D. Diverges
Mathematics
Solve the equation.
- 
= 1
A. {3, -1} B. {3} C. ? D. {-3, -1}
Mathematics
Write an equation for the ellipse.
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics
Solve the problem.A banquet dinner is being organized by a club. The actual cost of the dinner is $20 per person. The members are to pay $4 to attend, with the club making up the difference. What percentage of the dinner's cost is the club going to pay?
A. 75% B. 90% C. 85% D. 80%
Mathematics