For the given angle of rotation and coordinates of a point in the x'y'-coordinate system, find the coordinates of the point in the xy-coordinate system.? = 60°, (5
, -1)
A. (8, 3
)
B. (3
, 7)
C. (7, 3
)
D. (3
, 8)
Answer: B
Mathematics
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A. 54?
B. 
?
C. 27?
D. 
?
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Eric Yang earns $603.16 weekly, is married, and claims 2 withholding allowances. Find his net earnings for this pay period. Social security tax is 6.2% and Medicare tax is 1.45%.
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Mathematics