Match the system of inequalities with the appropriate graph.x + 2y ? 2 x + y ? 0
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Find the component form of the specified vector.The vector from the point A(3, 8) to the origin
A. 
B. 
C. 
D. 
Mathematics
Solve the inequality. Express your answer using interval notation.0 < (6x - 27)-1 < 
A. (- ?, 5)
B. [5, ?)
C. (- ?, 5]
D. (5, ?)
Mathematics
Rationalize the denominator and simplify. Assume that variables represent positive values.
A. 
(
+ 1)
B. 
(
+ 1)
C. 
(
- 1)
D. 
(
+ 1)
Mathematics
Solve the problem.The revenue achieved by selling x graphing calculators is figured to be 
The cost of each calculator is 
How many graphing calculators must be sold to make a profit (revenue - cost) of at least $712.80?
A. {x?55 < x < 53} B. {x?54 < x < 66} C. {x?24 < x < 36} D. {x?56 < x < 64}
Mathematics