Subtract the fractions. Write the answer in lowest terms.
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Simplify.
A. 2b
B. 
C. b4
D. b
Mathematics
Rationalize the denominator and simplify. Assume that variables represent positive values.
A. 
(
+ 1)
B. 
(
+ 1)
C. 
(
- 1)
D. 
(
+ 1)
Mathematics
A college student earns $45 per day delivering advertising brochures door-to-door, plus 75 cents for each person he interviews. How many people did he interview on a day when he earned $129? ?
A. 112 B. 111 C. 113 D. 117 E. 114
Mathematics
Determine whether the pair of lines is parallel, perpendicular, or neither.12x + 4y = 1624x + 8y = 36
A. Parallel B. Perpendicular C. Neither
Mathematics