Mr. stein receives a water bill from city hall. he notices that the city charges $50 for fire and sewer service and $3 for every 1000 gallons of water used. mr. stein wants to construct a model describing the relationship between the cost of his water bill and the amount of water he uses.

Tom wants to order tickets online so that he and three of his friends can go to a water park the cost of the tickets is 16.00 per person there is also a 2.50 one-time service fee for ordering tickets online write an expression in term of n that represents the cost for n ordering tickets online

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?

Atown has a population of 12000 and grows at 3.5% every year. what will be the population after 7 years, to the nearest whole number?