1) ryan bought cookies and chocolates for $80 each. how much did he spend for both?
2) there are 50 students in a class. if the number of boys is 20 more than the girls, how many girls are there?

Aline has a slope of 1/4 and passes through point (0.4,-1/2). what is the value of the y-intercept?

Players on the school soccer team are selling candles to raise money for an upcoming trip. each player has 24 candles to sell. if a player sells 4 candles a profit of$30 is made. if he sells 12 candles a profit of $70 is made. determine an equation to model his situation?

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.