Solve the problem.A plumber charges a fixed rate plus an hourly rate to do house calls. Total charges are $77 for a job taking 
and total charges are $175 for a job taking 10 hours.(i) Write a linear equation giving the total charges, y, in terms of the number of hours x.(ii) Use the equation found in part a to find how much it costs for 6 hours.(iii) How many hours would result in a total charge of $119?
A. (i) y = 14x + 35
(ii) $119
(iii) 6 hours
B. (i) y = 14x + 35
(ii) $119
(iii) 8 hours
C. (i) y = 14x + 35
(ii) $84
(iii) 6 hours
D. (i) y = 14x
(ii) $84
(iii) 6 hours
Answer: A
Mathematics
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A. x2 - 25y2
B. x2 + 25xy - 6y2
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-2
A. 
B. 
C. 
D. 
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Solve the problem.BT&T charges $0.41 for the first minute and $0.25 for each additional minute for a long-distance call. How much will a 30 minute long-distance call cost?
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