Use an inverse matrix to solve (if possible) the system of linear equations.
?
?
A. ?
B. ?
C. ?
D. ?
E. ?
Answer: D
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Solve the problem. Round to the nearest cent.A carpenter spent $5500 to purchase a table saw , a circular saw, and a panel saw. He paid 
down and financed the balance with a 
fixed installment loan with an APR of 
Determine the monthly payment for the loan and amount of interest paid.
A. Monthly payment = $176.63; Interest paid = $898.92 B. Monthly payment = $157.31; Interest paid = $319.44 C. Monthly payment = $215.71; Interest paid = $971.30 D. Monthly payment = $156.33; Interest paid =$289.90
Use the discriminant to determine the number and type of solutions for the equation. If the solution(s) are real, state whether they are rational or irrational.w2 + 2w + 4 = 0
A. Two nonreal complex solutions B. Two irrational solutions C. Two rational solutions D. One rational solution
Graph the system of inequalities.
A. 
B. 
C. 
D. 
Solve the problem.In a certain country, the infant mortality rate is 8.3 per 1000 live births. Assuming that this is the expected value for a Poisson distribution, find the probability that in a random sample of 1000 live births, there were fewer than 5 cases of infant mortality.
A. 0.066958 B. 0.100436 C. 0.071740 D. 0.083697