4. A hiker covers in the first hour of his hike 6 km, in the second hour 9 km and in the third hour 7 km. What was his average speed during the hike

Aline passes through the points (5,4) and (2.1). part a.) what is the slope of the line that passes through these points? show work. part b.) what is the equation of the line that passes through these points. show work. part c.) where does the line intercept on the x& y axis? show work