The nth term of a sequence is 12n -5. Work out the numbers in the sequence that have two digits and are not prime. Your final line must say Not Prime and list only the numbers that are not prime

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.