Add or subtract as indicated. Write the answer in simplest form.
- 
A. 
B. - 
C. - 
D. 
Answer: B
Mathematics
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Solve the inequality.
?
?
What will be an ideal response?
Mathematics
A plane with a tail wind makes its 987-mile flight in 3 hours. The return flight against the wind takes a half hour longer. What is the wind speed? ?
A. 21.5 mph B. 282 mph C. 26 mph D. 23.5 mph E. 305.5 mph
Mathematics
Perform the indicated operations and simplify. Assume that all variables represent positive real numbers.
+ 8
+ 8
A. 17
B. 16
C. 73
D. 72
Mathematics
Identify the values for which the rational expression is undefined.
A. x = 6 or x = -6 B. x = 5 or x = 3 C. x = -5 or x = -3 D. x = 0
Mathematics