can someone help me with 5,6,7 please?

1. The number of restaurants in a city is growing by 12 per year. If there were 247 restaurants in 2015, give an explicit equation which gives the number of restaurants in the city n years after 2015. When will there be 300 restaurants in the city? The cost of installing a solar energy system has been dropping every year. In 2008, a new solar energy system which produced 1000 watts of energy cost $8200, and the price has been dropping by approximately $500 per year every year since. Use this information to answer questions 2-4. 2. Give an equation for how much a 1000 watt solar energy system would cost n years after 2008 3. How much would this solar energy system cost in 2016? What about in 2020? 4. What does the equation predict for the cost of a solar energy system in 2025? Explain why this doesn't make sense. What is wrong with using our equation to predict the cost in 2025? I 5. Afactory which manifacturac chalrs spends $800 each day, plus $14 per chair. The company sells the ci Subtitle 29 aplece. Give an equation for how much money they make if they sell n chairs. How many chairs will they need to sell in a day to make $1000? 6. The number of tons of coal used by a factory increases linearly. If the factory used 250 tons in 2018 and 294 tons in 2020, how much coal will they use in 2025? How long will it be until they use 400 tons of coal each year? 7. The amount of money in a bank account is increasing linearly. If it goes from $200 in January 2021 to $1500 in June 2021, when would you expect the account to have $4,000 in It? MacBook Air