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 $175.00?
A. {x ? 26 < x < 24}
B. {x ? 25 < x < 35}
C. {x ? 27 < x < 33}
D. {x ? 10 < x < 20}
Answer: B
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Provide an appropriate response. Solve the system of equations using the addition method:2x + 3y = -26 5x - y = 3
A. x = 1, y = -2
B. x = 
, y = -1
C. x = -1, y = -8
D. x = 
, y = -
Solve the problem.The following polynomial approximates the rabbit population in a particular area, 
where x is the number of years from 1995. Use a graphing calculator to describe the rabbit population from the years 1995 to 2010.
A. The population remains stable. B. The population increases. C. The population decreases.
Graph the equation by plotting points.y = |x| + 3
A. 
B. 
C. 
D. 
Even with most of the problem missing, it is possible to tell whether a suggested answer is reasonable. Determine whether the answer given is reasonable. If it is unreasonable, move the decimal point or insert a decimal point to make the answer reasonable.What was the price of the book?$16
A. Unreasonable, should be $1600
B.
| Reasonable |
C. Unreasonable, should be $160
D. Unreasonable, should be $1.60