Solve.An airplane travels at 185 km/h for 4 hr in a direction of 122° from Glenview Naval Air Station. At the end of this time, how far east of the Glenview Naval Air Station is the plane (to the nearest kilometer)?
A. 392
B. 462
C. 873
D. 628
Answer: D
Mathematics
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Solve the problem.A square plate 2 m on a side is placed on a vertical wall 2 m below the surface of a pool filled with water. On which plate in the figure is the force greater? Try to anticipate the answer and then compute the force on each plate. Round to three decimal places when appropriate. 
A. plate 1 plate 1: 66,918.586 N plate 2: 58,800 N B. plate 2 plate 1: 58,800 N plate 2: 66,918.586 N C. plate 2 plate 1: 117,600 N plate 2: 133,837.172 N D. plate 1 plate 1: 133,837.172 N plate 2: 117,600 N
Mathematics
Integrate the function.
A. 
+ C
B. 
+ C
C. - 
+ C
D. - 
+ C
Mathematics
Solve.Find the area of the rectangle.
A. 60 sq. ft
B. 30 sq. ft
C. 30
sq. ft
D. 15
sq. ft
Mathematics
Express the number in terms of i.
A. 
B. -19i
C. 
i
D. -
i
Mathematics