Answer:♀️
Step-by-step explanation:
Answer:
57
Start from (19,8), take 2 minutes to travel 8 blocks back, end at (21,0).
y=3/5X+5/6
Y=ax+b
(-4;-3) (6:3)
-3=-4a+b
3=6a+b
3-6a=-3+4a
6=10a
a=6/10=3/5
b=5/6
