Hi waht is m⁵×m⁴ in algebra maths

Every weekday, mr. jones bikes from his home to his job. sometimes he rides along two roads, the long route that is shown by the solid lines. other times, he takes the shortcut shown by the dashed line. how many fewer kilometers does mr. jones bike when he takes the shortcut instead of the long route?

What is the slope of the line that contains the points (-5, 6) and (14. - 7)?

The length of the line segment ac is 8x-9 what is the value of x