Answer:
m = slope
(x_1, y_1) = coordinates of first point in the line
(x_2, y_2) = coordinates of second point in the line
what that person said
Step-by-step explanation:
b.7.5/5× that is thw peremeter of PQR.
Hope it helps
Have a good day Ahead
The answer is..
1 3/5=1+3/5