What is ratio 120 3:9

Amanda went into the grocery business starting with five stores. after one year, she opened two more stores. after two years, she opened two more stores than the previous year. if amanda expands her grocery business following the same pattern, which of the following graphs represents the number of stores she will own over time?

Common binomial factor of 6x(3x+7)+5(3x+7)

The difference of three and the reciprocal of a number is equal to the quotient of 20 and the number. find the number.