An instructional video is 4.2 minutes long. how long is the video in seconds? how long is it in hours?

What is the domain of the function f(x)=^9x

49xy +34y - 72z. determine the degree of the polynomial

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?