Phil receives a $2,000 tax refund and puts it all in a simple interest investment account paying a fixed return each year. After two years, the investment account is up to $2,500. What is the yearly simple interest rate? A - 25%
B - 37.5%
C - 50%
D - 12.5%

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.

Which of the following is the shape of a cross section of the figure shown below

The interior angles formed by the side of a hexagon have measures of them up to 720° what is the measure of angle a