Use the inverse of the coefficient matrix to solve the system of equations.5x + 22y = 17,2x + 9y = 2; A-1 = 
A. (218, -88)
B. (109, -24)
C. (-221, 44)
D. (-109, -44)
Answer: B
Mathematics
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What will be an ideal response?
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Find the least squares regression line for the given points.
?
?
A. 
B. 
C. 
D. 
E. 
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Use a graphing calculator or computer graphing software to solve the problem (correct to one decimal place).Find the absolute maximum value for the function f(x) = x(x - 3)2/3 over the interval [-1, 2].
A. 2.0 B. 3.5 C. 3.3 D. 2.7
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Divide. Write the answer as a mixed number as needed.10
÷ 6
A. 104
B. 1
C. 1
D. 604
Mathematics