Answer this question pls (i will be posting the rest of the parts)

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?

Atriangle with all sides of equal length is a/an triangle. a. right b. scalene c. equilateral d. isosceles

I'm confused on this could anyone me and show me what i need to do to solve it.