Solve the equation.
- 
= 1
A. - 7
B. 
C. 11
D. 21
Answer: D
Mathematics
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Factor completely.36x2 - 96x + 64
A. 2(6x - 4)2 B. 4(9x2 - 12x + 16) C. (12x - 4)(3x - 16) D. 4(3x - 4)2
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Verify the identity.
= csc x cot x
What will be an ideal response?
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Find the length of the line segment.
A. 5 B. 4 C. 2 D. 3
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Solve the problem.John (whose line of sight is 6 ft above horizontal) is trying to estimate the height of a tall oak tree. He first measures the angle of elevation from where he is looking as 35°. He walks 30 feet closer to the tree and finds that the angle of elevation has increased by 12°. Estimate the height of the tree rounded to the nearest whole number.
A. 86 ft B. 90 ft C. 67 ft D. 61 ft
Mathematics