Simplify.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Evaluate the double integral by first identifying it as the volume of a solid.
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Use implicit differentiation to find d2y/dx2.y2 - x2 = 4
A. 
B. 
C. 
D. 
Mathematics
Solve the equation.7a = -56
A. -63 B. -8 C. 1 D. 63
Mathematics
Solve the problem.A canoeist who took 6 hours to paddle 6 miles upstream was able to return to his starting spot in 45 minutes. What was the rate of the current?
A. 4.5 mph B. 5 mph C. 4 mph D. 3.5 mph
Mathematics