Simplify: 
A. -
B. -
C.
D. undefined
Answer: B
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Solve the problem.A bird flies from its nest 4 km in the direction 3° north of east, where it stops to rest on a tree. It then flies 7 km in the direction 3° south of west and lands atop a telephone pole. With an xy-coordinate system where the origin is the bird's nest, the x-axis points east, and the y-axis points north, at what point is the telephone pole located?
A. (-2.996, -0.1570) B. (3.995, 0.2093) C. (2.970, 7.494) D. (-6.990, -0.3664)
Evaluate the integral.
A. ln 22x -
+ x + C
B. ln 22x -
+ x + C
C. ln 22x -
+ 2x + C
D. ln 22x - x2 + x + C
Find percent notation.Round to the nearest tenth, if necessary.
A. 8.6% B. 70% C. 122.4% D. 85.7%
Determine whether the matrices are inverses. ,
A. No B. Yes