For each right triangle, find the missing quantity. Express angles in degrees and minutes.Find A.
c = 25 cmB = 23°36'
A. A = 24°24'
B. A = 24°10'
C. A = 66°22.9'
D. A = 66°24'
Answer: D
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Determine the indefinite integral.
(Simplify the answer using the definitions of hyperbolic functions.)
A. x - 
+ C
B. 
+ C
C. 
+ C
D. sinh x + C
Solve the inequality.
< 0
A. (-7, -5) or (2, 9) B. (-?, -5) or (-7, 9) C. (-7, -5) or (2, ?) D. (-5, 2) or (9, ?)
Identify the equation without applying a rotation of axes.4x2 - 4xy + 3y2 + 2x + 2y + 2 = 0
A. hyperbola B. parabola C. ellipse D. not a conic
Solve the problem.The radius, r, of a sphere can be found using the formula 
where S is the surface area. If the surface area is 13,760 square inches, what is the radius? (Use 3.14 for ?, and round your answer to the nearest tenth of an inch.)
A. 66.2 in. B. 58.7 in. C. 33.1 in. D. 103.9 in.