Reese has 327 baseball cards. Then he lost 8 of them and gave 15 of them to his brother. Write an expression to represent the number of baseball cards he has left. Then find how many baseball cards he has left.

What is the equation of this graphed line? enter your answer in slope-intercept form in the box.

Points a, b, and c form a triangle. complete the statements to prove that the sum of the interior angles of triangle abc is 180

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.