Find the sum Sn of the first n terms of the geometric sequence. 
, - 
, 
, - 
, 
, . . . .; n = 9
A. 
B. 
C. 
D. 2464
Answer: B
Mathematics
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Solve the problem.Mari drops a ball from a height of 18 meters and notices that on each bounce the ball returns to about 7/8 of its previous height. About how far will ball travel before it comes to rest?
A. 38.6 m B. 270 m C. 288 m D. 144 m
Mathematics
Evaluate the expression.(-675) ÷ 75
A. -19
B. 9
C. - 
D. -9
Mathematics
Solve the problem.Use the Alternating Series Estimation Theorem to estimate the error that results from replacing e-x by 
when
A. 0.00135 B. -0.0045 C. 0.009 D. 0.0045
Mathematics
Solve.log4(6x - 7) = log4(4x + 2)
A. 
B. ?
C. 
D. {-5}
Mathematics