12. The cost, in dollars, of operating a machine per day is given by the formula
C = 3t2 – 96t + 1014, where t is the time
the machine operates, in hours. What is
the minimum cost of running the machine?
For how many hours must the machine run
to reach this minimum cost?

In a sample of 200 residents of georgetown county, 120 reported they believed the county real estate taxes were too high. develop a 95 percent confidence interval for the proportion of residents who believe the tax rate is too high. (round your answers to 3 decimal places.) confidence interval for the proportion of residents is up to . would it be reasonable to conclude that the majority of the taxpayers feel that the taxes are too high?

Aline passes through 3,7 and 6,9 what equation represents the line

Oliver read for 450 minutes this month his goal was to read for 10% more minutes next month if all of her medicine go how many minutes will you read all during the next two months