Iwent to the grocery store the other day and there were no price tags on anything! i bought 3 loaves of bread and 1 milk jug and when the cashier scanned it, the total was $9. then i saw the person behind me bought 1 loaf of bread and 2 milk jugs. her total was $5.50. i walked out: how much does one loaf of bread cost?

Ireally need subtract and simplify.(-y^2 – 4y - 8) – (-4y^2 – 6y + 3)show your work, ! i will mark you brainliest but you have to show your work.

What is the point of inflection for the function f(x)=2cos4x on the interval (0, pi/2)

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?