Decide whether the statement is true or false.The circle with equation (x + 4)2 + (y - 4)2 = 64 has center at (4, -4).
A. True
B. False
Answer: B
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Solve the problem.In a chemistry class, 9 liters of a 4% silver iodide solution must be mixed with a 10% solution to get a 6% solution. How many liters of the 10% solution are needed?
A. 4.5 L B. 3.5 L C. 9.0 L D. 5.5 L
Solve the problem.A physics exam consists of 9 multiple-choice questions and 6 open-ended problems in which all work must be shown. If a student must answer 6 of the multiple-choice questions and 4 of the open-ended problems, in how many ways can the questions and problems be chosen?
A. 1296 B. 261,273,600 C. 21,772,800 D. 1260
Find the simple interest for the period indicated. Then use table values to find the compound interest. Finally, find the difference between compound interest and simple interest. Round to the nearest cent. (Interest is compounded annually.)
Principal: $750 Rate: 8% Years: 19
A. $1167.01 B. $1346.78 C. $2096.78 D. $956.78
Write the partial fraction decomposition of the rational expression.
A. 
+ 
B. 
+ 
C. 
+ 
D. 
+ 