Find the general term, an, of the given geometric sequence.
, 
, 
, ...
A. an = 
n-1+ 
B. an = 
+ 
(n - 1)
C. an = 
+ 5(n - 1)
D. an = 
(5)n-1
Answer: D
Mathematics
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Determine the total turn for the closed curve. Assign a positive measure to counterclockwise turning.
A. 1080° B. -360° C. 720° D. -1080°
Mathematics
Graph the circle.x2 + y2 - 4x = -10y - 13 
A. 
B. 
C. 
D. 
Mathematics
Find the nth term and the indicated term of the arithmetic sequence whose initial term, a, and common difference, d, are given.a = 74; d = -10an = ?; a7 = ?
A. an = 74 - 10n; a7 = -46 B. an = 84 - 10n; a7 = 14 C. an = 74 - 10n; a7 = 14 D. an = 84 - 10n; a7 = -46
Mathematics
Perform the indicated operations and simplify the result. Leave the answer in factored form.
- 
A. 
B. 1
C. 
D. 
Mathematics