you run a business making birdhouse. You spend $600 to start your business, and its cost you $5.00 to make each birdhouse. Write an equation that models the amount of money you spend per birdhouse you make. Use your equation to calculate how much money will you stand if you make 17 birdhouses.

Randy and trey take turns cleaning offices on the weekends. it takes randy at most 4 hours to clean the offices. it takes trey at most 6 hours to clean the offices. what is the greatest amount of time it would take them to clean the offices together? 2.4 hours 2.5 hours

Will mark brainliest! ( explain the answer too, it can be one sentence)

Sandy is upgrading her internet service. fast internet charges $20 for installation and $52.45 per month. quick internet has free installation but charges $57.45 per month. part 1 out of 2 complete the equation that can be used to find the number of months after which the internet service would cost the same. use the variable x to represent the number of months of internet service purchased.