When a car skids to a stop, the length of the skid marks varies with the speed of the car. use the formula s = to create a table for accident investigators showing the length of skid marks, d, made by a car traveling s miles per hour on a dry pavement.

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.