Use the formula for Sn to find the sum of the first five terms of the geometric sequence.a1 = 8.622, r = 3.579 (Round to the nearest hundredth)
A. 545.19
B. -1412.26
C. 1959.86
D. 227.31
Answer: C
Mathematics
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Find the limit using 
= 1.
A. 1 B. -1 C. does not exist D. 0
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Solve the given trigonometric equation analytically (using identities when necessary for exact values when possible) for values of x for 0 ? x < 2?.sec 
= cos 
A. 0
B. 0, 
, ?, 
C. 
, 
, 
, 
, 
, 
, 
D. 
, 
Mathematics
Integrate the function.
A. - 
B. - 
C. 
D. - 
Mathematics
Find the area of the SSS triangle ABC. If necessary, round the answer to two decimal places.a = 15, b = 15, c = 15
A. 100.43 B. 97.43 C. 103.43 D. 106.43
Mathematics