Factor by grouping,
Factor each completely
1) 8x^3 + 10x² + 20x + 25

Simplify 15(x - 4)(x -1)-3(x + 4)(x - 1) with steps

10% of 1,900,000. show me how you got the answer

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?