Write the phrase as an expression. then evaluate when x=5 and y=20. the sum of a number x and 4 all divided by 3

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