Solve the problem.When making a long distance call from a certain pay phone, the first three minutes of a call cost $2.30. After that, each additional minute or portion of a minute of that call costs $0.45. Use an inequality to find the number of minutes one can call long distance for $7.70.
A. 17 minutes or fewer
B. 15 minutes or fewer
C. 3 minutes or fewer
D. 12 minutes or fewer
Answer: B
Mathematics
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A. 
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A. 7x(x + 2) B. 7(x2 - 2x) C. 7x2(x - 2) D. 7x(x - 2)
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?
?
Solve for y as a function of x.
?
A. 
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C. ?
D. ?
E. ?
Mathematics