Clear fractions and solve.
+ 
- 
= 0
A. 34
B. 1
C. 2
D. 0
Answer: C
Mathematics
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Find the area of the specified region.Shared by the cardioids r = 3(1 + sin ?) and r = 3(1 - sin ?)
A. 
(3? + 8)
B. 
(5? + 8)
C. 
(3? - 8)
D. 169
Mathematics
Solve the problem.At a ticket booth, customers arrive randomly at a rate of x per hour. The average line length is 
where 
To keep the time waiting in line reasonable, it is decided that the average line length should not exceed 10 customers. Solve the inequality 
to determine the rates x per hour at which customers can arrive before a second attendant is needed.
A. 0 ? x ? 20 B. 0 ? x ? 19 C. 0 ? x ? 17 D. 0 ? x ? 18
Mathematics
Rewrite the logarithmic equation 
in exponential form.
A. 
B. 
C. 
D. 
E. 
Mathematics
Find the exact coordinates of the centroid.
Mathematics