The table shown below gives the estimated number of text messages sent in the U. S. by year. Approximately how many times as many text messages were sent in the U. S. in 201120112011 as in 200520052005?

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?

Find the greatest common factor of -30x 4 yz 3 and 75x 4 z 2.

Suppose a store sells an average of 80 cases of soda per day. assume that each case contains 24 cans of soda and that the store is open 10 hours per day. find the average number of soda that the store sells per hour.