Find all roots of x^4-6x^2+8=0

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?

Write the expression as a single natural logarithm. 2 in a - 4 in y

Lines a and b are parallel. what is the value of x? -5 -10 -35 -55