If the system of inequalities y>= 2x + 1 and y > 1/2x -1 is graphed in the xy-plane above, which quadrant contains no solutions to the system?

How do you use the elimination method for this question? explain, because i really want to understand!

60 2(x + 2) in the diagram, gef and hef are congruent. what is the value of x?

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?