Submarines 1. A submarine is descending to examine the seafloor 2,100 feet below the surface. It takes the submarine 2 hours to make this
descent. Write an equation to represent the relationship between the submarine's elevation and time.

Please I need a answer and how to solve it thanks guys

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?