Find the length of the third side of the right triangle. Give an exact answer and, where appropriate, an approximation to three decimal places.
A. b = 18 km
B. b = 24 km
C. b = 25 km
D. b = 20 km
Answer: D
Mathematics
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A. 
ln2(sinh x) + C
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C. 
ln2(cosh x) + C
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A. True B. False
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A. r''(t) = (8 sin t)i + (7 cos t)j B. r''(t) = (-8 cos t)i + (-7 sin t)j C. r''(t) = (-8 sin t)i + (-7 cos t)j D. r''(t) = (8 cos t)i + (7 sin t)j
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Solve the formula for the specified variable.S = 2?rh + 2?r2 for h
A. h = 
B. h = S - r
C. h = 2?(S - r)
D. h = 
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