The table and grab both represent the same relationship. which equation also represents the relationship?

Lindsay used two points, (x,y; ) and (+2.82), to find the equation of the line, y = mx + b, that passes through the points. y2-y, first, she used the definition of slope and determined that the value of mis x, - . given this information, which expression must represent the value of b?

y=2x−1 5x−4y=1 is (1,1)(1,1) a solution of the system?

Im so bad at fractions they are not my best math thing to work on