where test score is the test score and str is the studen t to teacher ratio. calculate the f-statistic for the coefficient of str. write the null hypothesis

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.

Write as a product: ac^2–ad+c^3–cd–bc^2+bd

Astore is having a sale in which all items are reduced by 20 percent. including tax, jennifer paid $21 for a pair of shorts. if the sales tax is 5 percent, what was the original price of the shorts