Help me I’m new I’m in 8th

The lines shown below are parallel. if the green line has a slope of -1, what is the slope of the red line?

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?

Pat listed all the numbers that have 15 as a multiple write the numbers in pats list