write the expression for "A water tank contains gallons of water when it begins to drain at a rate gallons per minute"

Measures of the angle of r, 31 s (x+4) t (3x+9)

Given that abcd is a rhombus, what is the value of x?

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?