The seating capacity y for a banquet hall is represented by y=8x+56 , where x is the number of extra tables you need. how many extra tables do you need to double the original seating capacity?

An appliance store sells a washer-dryer combination for $1800. if the washer costs $300 more than the dryer, find the cost for each appliance.

Before simplifying, how many terms are there in the expression 2x - 5y + 3 + x?

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.