Gradient of a line perpendicular to y=2x-1 pls help im dying

What’s the domain of this function? fastttt

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?

Haley buys 9 pounds of apples for $3. how many pounds of apples can she buy for $1?