Solve the problem.Sergio's internet provider charges its customers $15 per month plus 4¢ per minute of on-line usage. Sergio received a bill from the provider covering a 
period and was charged a total of $101.00. How many minutes did he spend on-line during that period? (Round to the nearest whole minute, if necessary.)
A. The number of minutes is 65.
B. The number of minutes is 1815.
C. The number of minutes is 650.
D. The number of minutes is 1565.
Answer: C
Mathematics
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Find the product using one of the formulas for the square of a binomial.(y + 0.8)2
A. 2y + 1.6 B. y2 + 1.6y + 0.64 C. y2 + 0.64y + 0.64 D. y2 + 0.64
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Determine whether the given point is on the graph of the equation.3x + 2y2 = 11; (3, -1)
A. Yes B. No
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Find the requested function value of ?.If csc ? = 
, then find sin ?.
A. 
B. - 
C. -9
D. 9
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Solve the problem.In a sale, the price of a computer is reduced from $1240 to $1070. Find the discount and the rate of discount. Round the discount rate to the nearest tenth of a percent if necessary.
A. $170; 13.7% B. $160; 12.9% C. $170; 15.9% D. $160; 15%
Mathematics