Solve the problem.From a boat on the lake, the angle of elevation to the top of a cliff is 
If the base of the cliff is 567 feet from the boat, how high is the cliff (to the nearest foot)?
A. 112 ft
B. 115 ft
C. 105 ft
D. 102 ft
Answer: D
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Find an equation for the surface obtained by rotating the line x=3z about the x-axis.
What will be an ideal response?
Solve. If necessary, round answers to the nearest tenth unless stated otherwise.What is the minimum force required to prevent a ball weighing 16.7 lb from rolling down a ramp inclined 22.2° with the horizontal?
A. 7.8 lb B. 15.5 lb C. 6.3 lb D. 3.2 lb
Find the measures of all the angles in the figure below, if 
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A. 
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The lists below show five agricultural crops in Alabama, Arkansas, and Louisiana.AlabamaArkansasLouisianasoybeans (s)soybeans (s)soybeans (s) peanuts (p)rice (r)sugarcane (n)corn (c)cotton (t)rice (r)hay (h)hay (h)corn (c)wheat (w)wheat (w)cotton (t)Let U be the smallest possible universal set that includes all of the crops listed; and let A, K, and L be the sets of five crops in Alabama, Arkansas, and Louisiana, respectively. Find the indicated set.L' ? A
A. {n, r, t} B. {h, n, t, w} C. {c, s} D. {h, p, w}