Use Cramer's rule to solve the linear system.

A. x = - , y = 
B. x = , y = - 
C. x = , y =  
D. x = , y = - 


Answer: D

Mathematics

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Find the exact value of the expression.cos  cos  - sin  sin 

A. 0
B. 1
C. -1
D.

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Use the coordinates of the indicated points to find the slope of the line.

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