You have a bag of 100 cotton balls and you use 47 of the cotton balls for an art project. What portion of the bag of cotton balls do you use? Write your answer as a decimal.

For what values of x is x2 + 2x = 24 true?

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.

How many kilograms of a 5% salt solution and how many kilograms of a 15% salt solution must be mixed together to make 45kg of an 8% salt solution?