Solve. Express your answer as a signed number.The population of a certain city decreased by 23,021 in 10 years. Find the average annual change in population.
A. -230.21 per year
B. -2302.1 per year
C. 2302.1 per year
D. 230.21 per year
Answer: B
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Solve the systems of equations by the addition method. 
A. 
B. {(7, -4)}
C. {(9, 3)}
D. no solution; ?
The table shows points that all lie on the same line. Find the slope-intercept form for the line.
A. y = 5x + 5 B. y = x - 2 C. y = 5x - 2 D. y = -2
Solve the problem.The number of VHS movie rentals has declined since the year 2000 due to the popularity of DVDs, as the following table shows. The exponential regression equation was found to be 
where x represents the number of years since 2000. Use the regression equations to predict the number of VHS movie rentals in 2,007.
A. 0.25 B. 0 C. 2.47 D. 56.28
Find the payment necessary to amortize the loan. Round to the nearest cent.$99,000, 8% compounded annually, 10 annual payments
A. $14,753.92 B. $13,867.56 C. $15,847.89 D. $5412.82