Which phrase describes the variable expression y- 12?
O
A. The product of yand 12
O
B. y decreased by 12
O
c. y increased by 12
O
D. The quotient of yand 12

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.