Find the integral.
dy
A. 2e4y + C
B. 4e4y + C
C. 
e4y + C
D. 
e4y + C
Answer: A
Mathematics
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Simplify.(4x2 + 5x + 20) + (-6x2 - 8x - 9)
A. -2x2 + 3x + 11 B. -2x2 - 3x + 11 C. -2x2 - 3x + 29 D. -2x2 + 11x + 29
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Solve the problem.A surveyor standing 70 meters from the base of a building measures the angle to the top of the building and finds it to be 39°. The surveyor then measures the angle to the top of the radio tower on the building and finds that it is 48°. How tall is the radio tower?
A. 7.56 meters B. 11.09 meters C. 7.97 meters D. 21.06 meters
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Solve the problem.Find the point on the parabola 
that is closest to the line 
Use the fact that the line connecting the closest points on each curve is normal to both curves.
A. 
B. 
C. 
D. 
Mathematics
Add or subtract as indicated.
+ 
A. 
B. 
C. 
D. 
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