Show that (2a-1)^2-(2b=1)^2=x(a-b)(a+b-1) where x is an integer to be found.

Find the distance from the theater to the library. leave your answer in simplest radical form if necessary. 12 √12 74 √74

The ratio of the height of two similar cylinders is 4 to 3 what is the ratio of their volumes

Use the given degree of confidence and sample data to construct a confidence interval for the population mean mu . assume that the population has a normal distribution. a laboratory tested twelve chicken eggs and found that the mean amount of cholesterol was 185 milligrams with sequals 17.6 milligrams. a confidence interval of 173.8 mgless than muless than 196.2 mg is constructed for the true mean cholesterol content of all such eggs. it was assumed that the population has a normal distribution. what confidence level does this interval represent?