Provide an appropriate response.For a certain system of two linear equations, the values of the determinants used in Cramer's rule are 
and 
What is the solution set of the system?
A. 
B. 
C. {(23, -13)}
D. 
Answer: B
Mathematics
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Use the distributive property to write the sum as a product.(-3)c + (-3)r
A. -3(c + r) B. 3(c - r) C. 3(c + r) D. -3(c - r)
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Graph the inequality.-2x - 4y ? 8
A. 
B. 
C. 
D. 
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Graph the inequality.x + 5y ? 2
A. 
B. 
C. 
D. 
Mathematics
X is Uniform(15, 25).
Find E ( X ), Var ( X ), and SD( X ) for the given random variable
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