Solve the problem.A gas company has the following rate schedule for natural gas usage in single-family residences:Monthly service charge $8.80Per therm service charge1st 25 therms$0.6686/thermOver 25 therms$0.85870/thermWhat is the charge for using 25 therms in one month?What is the charge for using 45 therms in one month?Construct a function that gives the monthly charge C for x therms of gas.
What will be an ideal response?
$25.52
$42.69
C(x) = 
Mathematics
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Use the graph to answer the question.The following time-series diagram tracks the performance of two stocks during the month of October.
Describe the overall trend in the value of each stock during the month of October. By what percentage did the value of each stock increase or decrease during the month of October?
What will be an ideal response?
Mathematics
Use the comparison test to determine if the series converges or diverges.
A. Diverges B. Converges
Mathematics
Write the rational expression in lowest terms.
A. -1 B. s - y C. s + y D. Already in lowest terms
Mathematics
Find the mean. Round to the nearest tenth unless otherwise stated.Gallons of gasoline: 15, 9, 14, 3, 9
A. 12.5 B. 51 C. 10 D. 9
Mathematics