The difference of the sample means of two populations is 34.6, and the standard deviation of the difference of the sample means is 11.9.
The 95% confidence interval lies between
and

Sole with work in 10 years, the average number of hours of tv watched per week by teenagers dropped from 23.9 to 21.4. find the percent of change.

Do some research and find a city that has experienced population growth. determine its population on january 1st of a certain year. write an exponential function to represent the city’s population, y, based on the number of years that pass, x after a period of exponential growth. describe the variables and numbers that you used in your equation.

Select the number of ways in which a line and a circle can intersect