The triangle below has a total perimeter of 450 cm: picture of a triangle with sides 128 and 150. third side unknown write an equation and solve it to find the length of the longest side of the triangle.

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.