Perform the indicated operation(s). Simplify if possible.
+ 
A. 
B. 5x + 4
C. 
D. 
Answer: D
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Subtract.
- 
A. 
B. - 
C. - 
D. 
Which system of inequalities matches the given calculator-generated graph?
A. y > x2 - 4 y < 3 B. y > x2 - 4 y > 3 C. y < x2 - 4 y > 3 D. y < x2 - 4 y < 3
Solve the problem.The amount of money (in thousands of dollars) that Americans spend yearly at coffee retailers has increased greatly. 
Let D be the amount (in thousands of dollars) Americans have spent on coffee every year since 1996. A model for the situation is 
Use factoring strategies to determine the year when 88,000 dollars was or will be spent on coffee.
A. 2002 B. 2002, 1988 C. 1988 D. 1992
Solve the problem. Round your answer to the nearest tenth unless indicated otherwise.A label on a box shows that the box weighs 20 kg. How many pounds is that?
A. 9.1 lb B. 21.2 lb C. 44 lb D. 50.8 lb