Solve the inequality. Give the solution set in both set-builder notation and graph form.x - 1 < 3 and x + 2 ? 3
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Answer as requested.Which of the following best describes our level of confidence in causality when we have discovered a correlation but cannot yet determine whether the correlation implies causality?
A. Absolute certainty B. Cause beyond reasonable doubt C. Probable cause D. Possible cause
Mathematics
Solve.A 20% salt solution is mixed with a 30% salt solution to obtain twenty liters of a 27% salt solution. How many liters of each solution must be added?
What will be an ideal response?
Mathematics
Simplify the expression.
? 
+ 
? 
A. 
B. 
C. 
D. 
Mathematics
Write the partial fraction decomposition of the rational expression.
A. 
+ 
B. 
+ 
C. 
+ 
D. 
+ 
Mathematics