Solve.A balloon is secured to rope that is staked to the ground. A breeze blows the balloon so that the rope is taut while the balloon is directly above a flag pole that is 90 feet from where the rope is staked down. Find the altitude of the balloon if the rope is 100 feet long. Give your answer as a simplified radical.
A. 
ft
B. 10
ft
C. 10
ft
D. 
ft
Answer: B
Mathematics
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Find the least common multiple.30, 121
A. 18,150 B. 3,630 C. 4,356 D. 726
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Solve using the addition principle.y + 17 = -16
A. -1
B. -33
C. 1
D. 
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Determine the intervals on which the function is increasing, decreasing, and constant.
A. Increasing on (-?, ?) B. Increasing on (0, ?); Decreasing on (-?, 0) C. Increasing on (-?, 0); Decreasing on (0, ?) D. Decreasing on (-?, ?)
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Write the first four terms of the sequence.an = 
A. a1 = 1, a2 = - 
, a3 = 
, a4 = - 
B. a1 = 1, a2 = - 
, a3 = 
, a4 = - 
C. a1 = -1, a2 = 
, a3 = - 
, a4 = 
D. a1 = 1, a2 = 
, a3 = - 
, a4 = 
Mathematics