find how many roots are real and calculate all the roots of cubic equation :
x3 - 270 x2 + 70247 x - 6 = 0
show all the steps of obtaining the answer

How do businesses a country's economy? a. by investing in goods and services b. by increasing the unemployment rate c. by making profits

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.

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.