If 2a=9−b and 4a=3b−12, what is the value of a?

Solve for x, y, and z. show all steps.

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?

Simplify the expression 10/11(22z) + (a+5) -1