Match the surface show below to the graph of its level curves.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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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)
Mathematics
Solve the equation.q + 276 = 657
A. q = 933 B. q = 391 C. q = 181,332 D. q = 381
Mathematics
Simplify the expression. Assume all variables represent nonzero real numbers.(3n2) ? (5n3)
A. 15n5 B. 8n6 C. 15n6 D. 8n5
Mathematics
Add or subtract. Express the answer as a mixed number.7
+ 12
A. 18
B. 7
C. 20
D. 19
Mathematics