The combined age of three relatives is 120 years. james is three times the age of dan, and paul is two times the sum of the ages of james and dan. how old is each person?

What is the value of the expression below? (81^2)^1/8

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?

Find the measure of angle abc. a. 124 b. 97 c. 56 d. 51