Evaluate the integral in terms of natural logarithms.
A. ln 2
B. 
ln 
C. ln 
D. 
ln 
Answer: B
Mathematics
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Perform the operation and write the result in the standard form.(9 + 9i)(3 - 5i)
A. 72 + 18i B. -45i2 - 18i + 27 C. 72 - 18i D. -18 + 72i
Mathematics
Solve the problem.An arch for a bridge over a highway is in the form of a semiellipse. The top of the arch is 35 meters above ground. The main span is 69.71 meters wide. Write an equation for the ellipse in which the x-axis coincides with the ground and the y-axis passes through the center of the arch.
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics
Solve the equation.7x - 30 = 3x + 8
A. 0.105 B. 10.5 C. 9.5 D. 1.053
Mathematics
Evaluate the integral.
?
?
A. 
B. 
C. 
D. 
E. none of these
Mathematics