At noon, a tank contains 100 gallons of water. The table shows the input and output of water for pipes A, B, and C. The pipes begin operating simultaneously at noon. Let T(x) represent the amount of water in the tank x minutes after all of the pipes A, B, and C are opened. Which of the following functions represents T(x)?

What is the value of x in the equation 2(x-4) = 4(2x + 1)?

The scatterplot represents the total fee for hours renting a bike. the line of best fit for the data is y = 6.855x + 10.215. which table shows the correct residual values for the data set?

Use the given degree of confidence and sample data to construct a confidence interval for the population mean mu . assume that the population has a normal distribution. a laboratory tested twelve chicken eggs and found that the mean amount of cholesterol was 185 milligrams with sequals 17.6 milligrams. a confidence interval of 173.8 mgless than muless than 196.2 mg is constructed for the true mean cholesterol content of all such eggs. it was assumed that the population has a normal distribution. what confidence level does this interval represent?