Solve. Give an exact answer unless indicated otherwise.It can be shown that if the angle of elevation from an observer to the top of an object is A and the angle of elevation d ft closer is B, then the height of the object is given by h = 
ft.Find A if 
and 
Give an answer in degrees to the nearest hundredth.
A. 19.53°
B. 35.36°
C. 30.60°
D. 25.32°
Answer: D
Mathematics
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Identify the form of the integral as inverse sine, inverse tangent, logarithmic, or general power.
A. Inverse sine B. General power C. Inverse tangent D. Logarithmic
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Decide whether the equation is conditional, an identity, or a contradiction. Give the solution set.12(x + 3) = 2(6x + 1) + 34
A. Identity; {all real numbers} B. Contradiction; ? C. Conditional; {36} D. Conditional; {0}
Mathematics
Find the vertex, the focus, and the directrix of the parabola.(x - 1)2 = 12(y - 3)
A. V: (-1, -3); F: (-1, 0); D: y = -6 B. V: (1, 3); F: (1, 6); D: y = 0 C. V: (3, 1); F: (3, 4); D: y = -2 D. V: (1, 3); F: (1, 0); D: x = 6
Mathematics
Graph the equation by plotting points.y = |x| - 4
A. 
B. 
C. 
D. 
Mathematics