Dominique collected 15 fewer pieces of liter than Sara. Sara collected 12 more pieces of litter than piper. piper collected 1/4 as Vaughn. Vaughn collected 9 more pieces than everyone else combined. how much litter did every one collect?

These question are hard can you me with answers

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?

An investment decreases in value by 30% in the first year and decreases by 40% in the second year. what is the percent decrease in percentage in the investment after two years