Solve the system.
A. 
B. 
C. ?
D. 
Answer: D
Mathematics
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Solve the problem.Find the value of b for which 1 + eb + e2b + e3b + ... = 8.
A. ln 
B. ln 
C. ln 
D. ln 
Mathematics
Perform the indicated operation and simplify.
+ 
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.At a track meet with 135 participants, 25 participate in jumping events, 
of these jumpers are female, and 
of the total participants are female. What is the probability that a participant chosen at random is a jumper, given that the person is a female?
A. 
B. 
C. 
D. 
Mathematics
Factor by grouping.20a3 + 8a2b - 15ab2 - 6b3
A. (4a2 - 3b)(5a + 2b) B. (20a2 - 3b2)(a + 2b) C. (4a2 + 3b2)(5a - 2b) D. (4a2 - 3b2)(5a + 2b)
Mathematics