Solve.The rectangular part of the field shown below is 152 yd long and the diameter of each semicircle is 
Find the cost of fertilizing the field at $0.30 per square yard. 
A. $145.28
B. $282.08
C. $276.43
D. $307.51
Answer: B
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Evaluate the integral.
A. 
+ C
B. 
+ C
C. 
+ C
D. 
+ C
Using Green's Theorem, find the outward flux of F across the closed curve C.F = (-y - ey cos x)i + (y - ey sin x)j ; C is the right lobe of the lemniscate r2 = cos 2? that lies in the first quadrant.
A. 0
B. 
C. 
D. 1
Solve.The speed of a stream is 4 mph. If a boat travels 
downstream in the same time that it takes to travel 
upstream, what is the speed of the boat in still water?
A. 12 mph B. 15 mph C. 14 mph D. 8 mph
Find zw or 
as specified. Leave your answer in polar form.z = 5(cos 35° + i sin 35°)w = 2(cos 40° + i sin 40°)Find zw.
A. 10(cos 75° + i sin 75°) B. 7(cos 50.9° + i sin 50.9°) C. 10(cos 50.9° + i sin 50.9°) D. 7(cos 75° + i sin 75°)