Question 635725
  <pre><font face = "Tohoma" size = 3 color = "indigo"><b> 
Hi,
Graphing:
 y = 51 - x
 y = -.7x + 44.4
Using 100 unit for +x and +y axis
{{{drawing(300,300,   -10,100,-10,100, 
 grid(1),
circle(20, 30,0.4),
graph( 300, 300, -10,100,-10,100,0,51-x, -.7x + 44.4))}}}