Which is a factor of 15xy − 45x − 6y + 18?

What properties allow transformation to be used as a problem solving tool

Complete the equation of the line through (−10,3) and (−8,−8). use exact numbers.

Jose predicted that he would sell 48 umbrellas. he actually sold 72 umbrellas. what are the values of a and b in the table below? round to the nearest tenth if necessary