Homer and bart plan to buy one computer for 499.00 strictly for gaming purposes. games cost 49.99 each. define each variable and write an algebraic expression to describe how much they will spend before sales tax based on purchasing the computer and the number of games

Can someone check if i did this correct. it’s number 4 if you’re wondering.

Create a question with this scenario you could ask that could be answered only by graphing or using logarithm. david estimated he had about 20 fish in his pond. a year later, there were about 1.5 times as many fish. the year after that, the number of fish increased by a factor of 1.5 again. the number of fish is modeled by f(x)=20(1.5)^x.

Awater tank holds 18000 gallons. how long will it take for the water level to reach 6000 gallons if the water is used at anaverage rate of 450 gallons per day