Provide an appropriate response.Determine whether the sequence is arithmetic, geometric, or neither. If the sentence is geometric, find the common ratio r. If the sequence is arithmetic, find the common difference d.
, 
, 
, 
, 
, . . .
A. neither
B. geometric, r = 
C. geometric, r = 2
D. arithmetic, d = 
Answer: B
Mathematics
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Mathematics
Solve the problem.Two tracking stations are on the equator 146 miles apart. A weather balloon is located on a bearing of N 43°E from the western station and a bearing of N 23°E from the eastern station. How far, to the nearest mile, is the balloon from the western station? Round to the nearest mile.
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Find the focus and directrix of the parabola.y2 = -24x
A. F: (-6, 0); D: y = 6 B. F: (-6, 0); D: x = 6 C. F: (0, -6); D: y = 6 D. F: (6, 0); D: x = -6
Mathematics
Determine whether the graph is a tree.
A. tree B. not a tree
Mathematics