Solve the problem.Doctors use the rational expression 
to determine the dosage of a drug prescribed for children. In this expression, A = child's age and D = adult dosage. What is the difference in the child's dosage for a 13-year-old child and a 5-year-old child? Express the answer as a single rational expression in terms of D.
A. 
D
B. 
D
C. 
D
D. 
D
Answer: B
Mathematics
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Find the indicated term for the sequence.an = 3n; a4
A. 64 B. 12 C. 81 D. 27
Mathematics
Simplify the complex rational expression.
A. - 
B. 
C. 
D. 
Mathematics
Provide an appropriate response.Write the following in terms of ln(x + 2) and ln(x + 4): ln
What will be an ideal response?
Mathematics
Solve using artificial variables.Minimize w = 12x1 + 10x2 + 15x3subject to: 42x1 + 60x2 + 69x3 = 1110 90x1 + 150x2 + 180x3 ? 2700 48x1 + 78x2 + 82x3 ? 1344 x1 ? 0, x2 ? 0, x3 ? 0, x4 ? 0
A. 210 B. 260 C. 256 D. 246
Mathematics