Triangle PQR and RST are similar right triangles. Which proportion can be used to show that the slope of PR is equal to the slope of RT? Would rlly need help rn
A. 3-7/-4-(-7)= -5-3/21(-4)
B. 3-(-4)/7-(-7)= -5-2/3-(-4)
C. -4-(-7)/3-7= 2-(-4)/-5-3
D. -4-(-3)/-7-7= 2-(-5)/-4-3