Ariana starts with 100 milligrams of a radioactive substance. the amount of the
substance decreases by 20% each week for a number of weeks, w. the expression
100(1 -0.2)" finds the amount of radioactive substance remaining after w weeks.
which statement about this expression is 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.

Four individuals pool money together to start a new business and agree to split the profits equally. n invests $6,000, x invests $2,000, y invests $8,000 and z invests $4,000. if the profits for the first month were $100,000, y receives than if the profits were divided in proportion to how much they invested.

How do you find the distance of each number from the mean