Solve.Kevin invested part of his $10,000 bonus in a certificate of deposit that paid 6% annual interest, and the remainder in a mutual fund that paid 11% annual interest. If his total interest for that year was $900, how much did Kevin invest in the mutual fund?
A. $6000
B. $7000
C. $5000
D. $4000
Answer: A
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Graph.9x2 - 6y2 = 18
A. 
B. 
C. 
D. 
Find the solution to the system by addition (elimination) method.3x + 5y = 113x + 2y = 26
A. (-5, 12) B. (-12, 5) C. (-12, 3) D. (12, -5)
Solve the problem.If 5000 feet of fencing are used to enclose a rectangular field, the resulting area of the field is 
where x is the width of the pen. What is the maximum possible area of the pen?
A. 62,500 ft2 B. 31,250 ft2 C. 1,562,500 ft2 D. 1250 ft2
Write an algebraic equation and use it to solve the problem.A chef has one cheese that contains 5% fat and one cheese that contains 55% fat. How many pounds of each cheese should she use in order to obtain 8 pounds of a cheese mixture that is 35% fat?
A. 4 pounds of the cheese that contains 5% fat and 4 pounds of the cheese that contains 55% fat. B. 3.2 pounds of the cheese that contains 5% fat and 4.8 pounds of the cheese that contains 55% fat. C. 1.6 pounds of the cheese that contains 5% fat and 6.4 pounds of the cheese that contains 55% fat. D. 2.4 pounds of the cheese that contains 5% fat and 5.6 pounds of the cheese that contains 55% fat.