Find the first term and the common ratio for the geometric sequence. Round approximations to the nearest hundredth.a2 = 18, a4 = 2
A. a1 = 2, r = 3
B. a1 = 54, r = 0.33
C. a1 = 6, r = 3
D. a1 = 162, r = 0.33
Answer: B
Mathematics
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Replace the polar equation with an equivalent Cartesian equation.r2 = 36r cos ?
A. x = 36 B. (x - 18)2 + y2 = 324 C. x2 + (y - 18)2 = 324 D. (x - 18)2 + y2 = 0
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Provide an appropriate response.Write 
as a whole or mixed number in lowest terms.
A. 25
B. 
C. 
D. 
Mathematics
Determine if the series converges or diverges; if the series converges, find its sum.
A. Converges; 
B. Converges; 
C. Converges; 
D. Diverges
Mathematics
Solve the problem.Find the value of b for which 1 - eb + e2b - e3b + ... = 
.
A. ln 5
B. ln 
C. ln 7
D. ln 6
Mathematics