Solve the problem.The area of a rectangular garden is 289 square feet. The garden is to be enclosed by a stone wall costing $22 per linear foot. The interior wall is to be constructed with brick costing $9 per linear foot. Express the cost C, to enclose the garden and add the interior wall as a function of x.
A. C(x) = 9x + 22 
B. C(x) = 9x + 22 
C. C(x) = 9x + 22 
D. C(x) = 22x + 9 
Answer: C
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A. 520 yd3 B. 480 yd3 C. 450 yd3 D. 370 yd3
Solve the problem. Assume that simple interest is being calculated in each case. Round your answer to the nearest cent if necessary.Anita Tooms bought a new computer system. To pay for the system, she borrowed 
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A. The weight is multiplied by 2. B. The weight is multiplied by 4. C. The weight is divided by 4. D. The weight is divided by 2.