Please somone help me. i don’t know how to do this.

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?

Solve each quadratic equation by factoring and using the zero product property. x^2 + 18x = 9x

Use the distance formula to find the distance between (-3,5) and (3,1)