Can you explain how you solve these questions?

If the measure of xyz is 81 what is the measure of yz

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?

Which basic geometric term has no width, no length, and no thickness? line b. point c. angle d. plane