Find the value of X please hurry

Atransformation t : (x,y) (x-5,y +3) the image of a(2,-1) is

Rewrite 9 log, x2 in a form that does not use exponents. 9log, x = log, x

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?