Compute r, the linear coefficient of correlation, for the given data.
A. -0.081
B. 0
C. 0.754
D. -0.775
Answer: D
Mathematics
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Solve the linear system using an inverse matrix.x + 2y + 3z = -12x + y + z = 1x - 2z = 10
A. (18, -21, 4) B. (-12, 0, 0) C. (17, -33, 4) D. (-10, -11, 0)
Mathematics
Solve the inequality. Express your answer using interval notation.8x - 5 > 7x - 9
A. (-?, -4]
B. [-4, ?)
C. (-4, ?)
D. (-14, ?)
Mathematics
Find the finance charge and total installment cost of the loan. Round to the nearest cent.Amount financed: $292.00Down payment: $73.00Cash price: $365.00Number of payments: 24Amount of payment: $20.47
A. $292.00; $564.28 B. $199.28; $564.28 C. $146.00; $292.00 D. $73.00; $364.80
Mathematics
Determine the values of x for which f(x) and g(x) are inverse functions.f(x) = -x2 + 16, g(x) = 
A. x ? 0 B. x ? 0 C. x ? 16 D. x ? 16
Mathematics