A red ball moves horizontally in a 30m long tube. The position of the ball in meters is shown below

Which representation has a constant of variation of -2.5

Simplify the expression below -3(10x+4y)+6(6x-2y)

Part 1: use the graph to count the slope of the line that passes through the points (2,1) and (2,0).part 2 in two or more complete sentences,explain why it is not possible to write the equation of the given line in the traditional version of the point-slope form of a line