Please help mee it easy im just maing sure

Is this right or wrong.

Why did the ice arena get so hot after the big game (this is math related google it to find the paper

Geometry - finding area of regular polygons and sectors (check my math, i can’t find the error)

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?