Simplify. Be sure to rationalize the denominator. Assume that all variables represent positive real numbers.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Solve the problem.Roberto invested some money at 8%, and then invested $5000 more than twice this amount at 12%. His total annual income from the two investments was $4760. How much was invested at 12%?
A. $3100 B. $31,000 C. $15,000 D. $26,000
Mathematics
Round the money amount to the nearest cent or dollar as indicated.$1999.84, nearest dollar
A. $2000 B. $2 C. $1000 D. $1999.8
Mathematics
Write the form of the partial fraction decomposition of the rational expression.
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?
A. 
B. 
C. 
D. 
E. 
Mathematics
Estimate by rounding as directed.57.039 - 4.8633; nearest one
A. 53 B. 52 .1 C. 52 .2 D. 52
Mathematics