Amixture contains forty ounces of glycol and water and is ten percent glycol. if the mixture is to be strengthened to twenty-five percent, how much glycol is to be added?

1. 4 oz
2. 8 oz
3. 10 oz

What is the slope of the line that contains the points (4,8) and (9,8)? what type of line is it?

Which two fractions are equivalent to 6/11? 6/22 and 18/33 12/22 and 18/33 12/22 and 18/22 3/5 and 6/10

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?