Solve the equation.
= -5
A. {50}
B. 
C. ?
D. 
Answer: C
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Solve.Find the center, vertices, and foci of the ellipse 16x2 - 128x + 25y2 - 150y + 81 = 0
A. C: (4, 3); V: (-1, 3), (9, 3); F: (0, 3), (8, 3) B. C: (4, 3); V: (3, -1), (3, 9); F: (3, 1), (3, 7) C. C: (4, 3); V: (-1, 3), (9, 3); F: (1, 3), (7, 3) D. C: (4, 3); V: (3, -1), (3, 9); F: (3, 0), (3, 8)
Solve the problem.A wheel with radius 3 m rolls at 20 rad/s. How fast is a point on the rim of the wheel rising when the point is 
radians above the horizontal (and rising)? (Round your answer to one decimal place.)
A. 120.0 m/s B. 60.0 m/s C. 15.0 m/s D. 30.0 m/s
Write in exponential form.-3 = log2 
A. 2-3 = 
B. 28 = 3
C. 32 = 
D. 
3 = 2
Factor the trinomial completely.5c2 + 29cd - 36d2
A. (c + 4d)(5c + 9d) B. (c - 9d)(5c - 4d) C. (c - 4d)(5c - 9d) D. Prime