For triangle, ARST , the length of side RS is 5x^3- 7x² +9, the length of side ST is x^3 - 5r^2? +1 and the length of side RT is 9x^3- 5. What is the perimeter of triangle RST?

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