Joe studied math for x minutes, and then studied Spanish for 20 minutes more than he studied math. He did this for 3 days in a row. How long did Joe study for all three days?

What number should be added to both sides of the equation to complete this square? x^2-10x=7

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.

What is the slope of the line that contains the points (-5, 6) and (14. - 7)?