Solve the problem.A chemical solution contains 4% sodium. How much sodium is in 
of solution?
A. 1.8 mL
B. 11.25 mL
C. 0.18 mL
D. 112.5 mL
Answer: C
Mathematics
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A. 
B. 
C. 
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Solve the polynomial inequality and graph the solution set on a number line. Express the solution set in interval notation.3x2 + 13x - 10 ? 0
A. [-5, ?)
B. (-?, -5] ? 
C. 
D. 
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Decide whether the composite functions, f ? g and g ? f, are equal to x.f(x) = 
, g(x) = 2x - 5
A. Yes, yes B. No, yes C. No, no D. Yes, no
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Simplify the complex fraction.
A. 
B. 
C. 
D. 
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