A$48 sweater costs $6 more than twice as much as the shirt that goes with it. how much
does the shirt costs?

Hi i’m not sure how to do question 20 if u could explain how to do it that’d b great

Which image (a’ b’ c’ d’) of abcd cannot he produced using only reflections ?

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?