What is the greatest common factor of 30, 45, and 75?

Three coins are flipped. what is the probability that there will be at least two tails?

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?

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)