Consider m = y2 - y1 x2 - x1 . which x1 and x2-values would determine that the line is vertical? justify your answer

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?

State one method by which you can recognize a perfect square trinomial.

In the equation sqrt(n+5)-sqrt(11-10)=1. what is the value of n