The admission fee at a county fair is $2 for children and $4 dollars for adults. suppose that on the last day, 1600 people enter the fair and $5000 is collected. choose the two equations that can be solved as a system of equations to determine how many children and how many adults attended the fair. 1.) a-c=1600 2.) 4a+2c=5000 3.) 4a-2c=5000 4.) a+c=1600

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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?

Cd is the perpendicular bisector of both xy and st, and cy=20. find xy.