Find the zeros of the quadratic function f(x) = 1/2(x- 7)^2 – 8

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?

You paid 28.00 for 8 gallons of gasoline. how much would you pay for 15 gallons of gasoline?

The price of an item has been reduced by 30%. the original price was $30. what is the price of the item now ?