An item on sell cost 20% of the original price if the original price was $45 what is the sale price

5x−4≥12 or 12x+5≤−4 can you with this problem

Are the corresponding angles congruent? explain why or why not.

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?