Pierce used the proportion y/x=7/2 when deriving the equation of a line with similar triangles.select 2 that apply and explain

a.the slope of line is 0
b.the slope of line is 2/7
c.the slope of line is 7/2
d. the y int is 0
e.the y int is 2/7 f the y int is 7/2 and again explain plz