Find an equation of the circle satisfying the given conditions.Center at (-9, -7), radius 
A. (x - 7)2 + (y - 9)2 = 289
B. (x + 7)2 + (y + 9)2 = 289
C. (x - 9)2 + (y - 7)2 = 17
D. (x + 9)2 + (y + 7)2 = 17
Answer: D
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Solve the problem.The unpaid balance in an account at the beginning of December was $121. A payment of $50 was made on December 22. The finance charge rate was 1.6% per month of the average daily balance. Find the new balance at the end of December.
A. $72.64 B. $72.68 C. $87.78 D. $72.60
Solve the problem.Tech Support Associates purchased a new computer network server and replaced all its terminals for $29,600. Its estimated life is 4 years, at which time it will have a scrap value of $2,100. Use the straight-line method of depreciation to find the annual amount of depreciation. Find the book value at the end of 3 years.
A. $7,400, $22,200 B. $6,875, $8,975 C. $6,875, $20,625 D. $7,400, $7,400
Graph the system of inequalities.2x + 3y ? 6x - y ? 3y ? 2
A. 
B. 
C. 
D. 
Write the numerator and denominator of the fraction as a product of prime factors and divide by the common factors. Then write the fraction in lowest terms.
A. 
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B. 
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C. 
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D. 
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