Aphone company offers two monthly plans. plan a costs $30 plus an additional $0.10 for each minute of calls. plan b costs $12 plus an additional $0.12 for each minute of calls.

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?

!! 10 ! a westbound jet leaves central airport traveling 635 miles per hour. at the same time, an eastbound plane departs at 325 miles per hour. in how many hours will the planes be 1900 miles apart?

The difference between two numbers is one. three times the larger number minus two times the smaller number is 9. what are the two numbers