Can you help me with my work

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?

Im literally having a mental breakdown

An elevator travels 310 feet in 10 seconds. at that speed, how far can't his elevator travel in 12 seconds?