Add or subtract and simplify. Write the answer as a whole or mixed number when necessary.
- 
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Solve the rational inequality. Write the solution set using interval notation; then graph the solution set on a number line.
? 4x
A. [7, ?)
B. (-?, 0] ? [5, 7)
C. (-?, 5] ? [7, ?)
D. [0, 5] ? [7, ?)
Mathematics
Perform the indicated operation and write the answer in lowest terms. - 
÷ 
A. - 
B. 
C. 
D. - 
Mathematics
Perform the indicated conversion within American units of length.6 ft 8 in. = 
in.
A. 80 in. B. 14 in. C. 102 in. D. 74 in.
Mathematics
Find the difference.-11 - 18
A. 7 B. -7 C. 29 D. -29
Mathematics