A textbook store sold a combined total of 478 biology and history textbooks in a week. The number of biology textbooks sold was 48 more than the number of number of history textbooks sold. how many textbooks of each type were sold

The last time i bought this product , it cost $20.00 but it looks like it cost 29. 60 today? what is the increase

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?

For how answer my question this will be the last question can you answer in math subject