Provide an appropriate response.Solve the inequality: 3x + 2x ? 20
A. x ? 4
B. x ? 6
C. x < 4
D. x ? 4
Answer: D
Mathematics
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Make the requested preference schedule.Ten voters are asked to rank 4 brands of cell phones: A, B, C, and D. The ten voters turn in the following ballots showing their preferences in order:
Make a preference schedule for these ballots.
A. 
B. 
C. 
D. 
Mathematics
Use the product rule to simplify the expression. Assume that the variables can be any real number.
A. 5 B. -25 C. -5 D. 25
Mathematics
Find the partial fraction decomposition for the rational expression.
A. 
- 
B. 
- 
C. 
- 
D. 
+ 
Mathematics
Divide to find the exact answer. Express the answer as a whole or mixed number when possible and simplify.3
÷ 1
A. 2
B. 2
C. 2
D. 3
Mathematics