(3.2−6 3/10 ÷ 7/8)·(−2.5)

just answer it please

You are at a restaurant and owe $38 for your meal. you want to leave a 20% tip. how much will your tip be?

Which angle has the same measure as the dehedral angle formed by the orange face and the purple rectangle

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?