Leticia sets the thermostat in her apartment to 68 degrees. the actual temperature in her apartment can vary from this by as much as 3.5 degrees. write an absolute-value equation that you can use to find the minimum and maximum temperatures.

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.