Which is the solution set of 6x^2-24=0○(-2,2)○(-2)○(2)

Write the fraction or mixed number and the decimal shown by the model

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?

X=-3y-5 3x+9y=7 how can u solve this?