Six friends create a website. the website earns money by selling banner ads. the site has 5 banner ads. it costs $120 a month to operate the website. a. a banner ad earns $0.005 per click. write a linear equation that represents the monthly income yy (in dollars) for xx clicks. the linear equation y=y= 0.005x−120 represents the monthly income yy (in dollars) for xx clicks.